ZXSS10 SS1bSoftSwitch Control EquipmentData Configuration Guide
IAD Interconenction
Version 2.0.1.07
ZTE CORPORATIONNO. 55, Hi-tech Road South, ShenZhen, P.R.ChinaPostcode: 518057Tel: (86) 755 26771900Fax: (86) 755 26770801URL: http://ensupport.zte.com.cnE-mail: [email protected]
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Copyright © 2010 ZTE CORPORATION.
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Revision History
Revision No. Revision Date Revision Reason
R1.0 2010–07-15 First edition
Serial Number: SJ-20100630164932-014
Contents
About This Manual............................................. I
Declaration of RoHS Compliance ....................... I
IAD Interconnection Configuration....................1Configuration Overview ................................................... 1
Interconnection Planning ................................................. 6
Adding an IAD Zone........................................................ 6
Configuring Data Area Capacity of IAD Zone....................... 9
Configuring a Processing Board for the Zone .....................13
Configuring a Static Property Template .............................15
Configuring Tone Resources ............................................31
Adding an IAD Node.......................................................32
H.248/MGCP Protocol Configuration .................................37
Configuring a Property Template ..................................37
Configuring a Package Template ..................................44
Configuring Default Properties .....................................49
Configuring a TID NAME for the IAD.............................51
Checking the Interconnection Result ................................55
Figures ............................................................57
Tables .............................................................59
Glossary ..........................................................61
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About This Manual
Purpose At first, thank you for choosing ZXSS10 SS1b of ZTE Corporation!
ZXSS10 SS1b is fully compatible with the layered standard NGNmodel. It can provide NGN with service call and connection con-trol functions which are required by real-time services. By usingZXSS10 SS1b, operators can provide users with many kinds ofmultimedia services which involve voice, video and data. ZXSS10SS1b is, therefore, the core of NGN in terms of call and control.
This manual describes the configuration procedure for intercon-nection of the ZXSS10 SS1b and IAD.
IntendedAudience
This manual is intended for
� Technical managers
� Network planning engineers
� Maintenance engineers
Prerequisite Skilland Knowledge
To use this document effectively, users should have a general un-derstanding of SoftSwitch system.
What Is in ThisManual
This manual contains the following chapters:
Chapter Description
Chapter 1, IAD InterconnectionConfiguration
Describes the data configurationprocedure to interconnect theZXSS10 with the IAD device,including the principle description,interconnection planning,operations and interconnectioncheck.
Conventions ZTE documents employ the following typographical conventions.
Typeface Meaning
Italics References to other Manuals and documents.
“Quotes” Links on screens.
Bold Menus, menu options, function names, input fields, radiobutton names, check boxes, drop-down lists, dialog boxnames, window names.
CAPS Keys on the keyboard and buttons on screens andcompany name.
Note: Provides additional information about a certaintopic.
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Typeface Meaning
Checkpoint: Indicates that a particular step needs to bechecked before proceeding further.
Tip: Indicates a suggestion or hint to make things easieror more productive for the reader.
Mouse operation conventions are listed as follows:
Typeface Meaning
Click Refers to clicking the primary mouse button (usually theleft mouse button) once.
Double-click
Refers to quickly clicking the primary mouse button(usually the left mouse button) twice.
Right-click Refers to clicking the secondary mouse button (usuallythe right mouse button) once.
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Declaration of RoHSCompliance
To minimize the environmental impact and take more responsibil-ity to the earth we live, this document shall serve as formal dec-laration that ZXSS10 SS1b manufactured by ZTE CORPORATIONare in compliance with the Directive 2002/95/EC of the EuropeanParliament - RoHS (Restriction of Hazardous Substances) with re-spect to the following substances:
� Lead (Pb)
� Mercury (Hg)
� Cadmium (Cd)
� Hexavalent Chromium (Cr (VI))
� PolyBrominated Biphenyls (PBB’s)
� PolyBrominated Diphenyl Ethers (PBDE’s)
…
The ZXSS10 SS1b manufactured by ZTE CORPORATION meetthe requirements of EU 2002/95/EC; however, some assembliesare customized to client specifications. Addition of specialized,customer-specified materials or processes which do not meet therequirements of EU 2002/95/EC may negate RoHS compliance of theassembly. To guarantee compliance of the assembly, the need forcompliant product must be communicated to ZTE CORPORATION inwritten form. This declaration is issued based on our current levelof knowledge. Since conditions of use are outside our control, ZTECORPORATION makes no warranties, express or implied, and assumesno liability in connection with the use of this information.
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C h a p t e r 1
IAD InterconnectionConfiguration
Table of ContentsConfiguration Overview ....................................................... 1Interconnection Planning ..................................................... 6Adding an IAD Zone............................................................ 6Configuring Data Area Capacity of IAD Zone........................... 9Configuring a Processing Board for the Zone .........................13Configuring a Static Property Template .................................15Configuring Tone Resources ................................................31Adding an IAD Node ..........................................................32H.248/MGCP Protocol Configuration .....................................37Checking the Interconnection Result ....................................55
Configuration OverviewBackground As SS integrated access device, IAD (Integrated Access Device)
faces individual subscriber and small-scale enterprise. It accessesclient terminal devices (such as PC, telephone and electrograph)to grouping switching network, transmits data service transpar-ently, performs VoIP disposal on voice and provides subscriberswith multiple service.
Refer to Figure 1 for TG location in NGN architecture and the pro-tocols applied in SS interconnection.
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FIGURE 1 IAD LOCATION IN NGN SIMPLE ARCHITECTURE
IAD Product With the development of network technology, integration oftraditional telecommunication and data communication becomesthe tendency. SoftSwitch(SS) technology interconnects betweenPSTNnetwork and grouping switching data network smartly andefficiently, and help PSTN evolve to IP network smoothly.
Facing individuals and enterprises, IAD is the subscriber access de-vice in SS network architecture, which accesses terminal devices(such as PC, telephone and electrograph) to grouping switchingnetwork. IAD provides subscribers with more service by transmit-ting data service transparently and performing VoIP disposal onvoice.
ZTE has a wide variety of IAD products, such as I508, I524, I504and I508C, etc. These products meet different requirements of di-versified networking and subscriber types. Here take IAD productI508A for example in Figure 2.
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FIGURE 2 IAD SERIES-I508A
� As a middling-density IAD product launched by ZTE, I508A hasone 10BASE-T upstream Ethernet interface to connect to exter-nal data network, and 8 common simulating-telephone FXS in-terfaces which provide 8-channel VoIP service simultaneously.
� As a high-density IAD product launched by ZTE, I524 has one10BASE-T upstream Ethernet interface to connect to externaldata network, and 24 common simulating-telephone FXS inter-faces which provide 24-channel VoIP service simultaneously.
� As a lower-density IAD product launched by ZTE, I504 has one10BASE-T upstream Ethernet interface to connect to externaldata network, and 4 common simulating-telephone FXS inter-faces which provide 4-channel VoIP service simultaneously.
� As a middling-density IAD product launched by ZTE, I524 hasone 10/100BASE-T upstream Ethernet interface to connect toexternal data network, and 8 common simulating-telephoneFXS interfaces which provide 8-channel VoIP service simulta-neously.
ProtocolIntroduction
H248 protocol is applied in the interconnection between SS controldevice and IAD, which belongs to the interface protocol betweenMGC and MG.
H.248/Megaco (Media Gateway Control Protocol), called H.248protocol in short, is non-peer a media gateway control protocolstipulated by IETF and ITU-T. H.248 is applied in the telecom-munications between MGC and MG, and its main functions are
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to establish a fine service bearing connection model to separatethe connection between calling and bearing, besides, it also canrealize the service interconnection between network and PSTNnetwork by managing TG, AG and IAD, etc.
H248 protocol is intended for controlling and supervising the bear-ing connection behavior of MG. As a result, the primary issues areto abstract and describe MG interior objects, that’s why H.248 putsforward the GW connection model conception.
Connection models are the logical entities or objects in MG con-trolled by MGC. It is the content core of the messages betweenMGC and MG. MGC controls the connection model on MG by com-mands while MG reports various information of the connectionmodel, including status, parameters and ability. Basic architectureof model includes: termination and context, as shown in Figure 3.
FIGURE 3 H.248 CONNECTION MODEL EXAMPLE
1. Termination is a kind of logical entity which can send and re-ceive one or several kinds of media streams.
Termination comprises lots of attribute descriptions which com-bine to a group of descriptive symbols in commands, such ascorrelative media stream parameters, bearing parameters, andpossibly-included Modern, etc.
Termination corresponds to a physical entity or a virtual entity.Once encased in the gateway, physical termination can existpermanently (so-called semi-permanent termination). Physi-cal termination can be a PSTN trunk interface on TG, commontelephone interface or PBX interface on AG. Meanwhile, virtualtermination (temporary termination) corresponds to informa-tion stream, such as RTP voice stream affiliated with calls, oncea call is terminated, this voice stream die out.
In actual applications, after establishing a termination, this ter-mination will be allocated with a unique Termination ID to iden-tify termination in MG.
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2. Made up of a group of terminations, context represents therelations between a group of terminations.
One context can include multiple terminations. Maximum ter-mination number is varied in context in compliance with dif-ferent MG service characters. One context must comprise oneterminal at least; meanwhile, one terminal can only belong toone context at a time. If a context contains more than 2 ter-minals, it will describe topological structure and other mediamixed/switched parameters.
OverallConfiguration
Relations
Figure 4 shows the overall flow of ZXSS10 SS1b data configuration.In actual deployment, operators can adjust above steps or config-uration items according to actual situation in strict conformity tothe sequence of “basic data-interconnection data-service data-ap-plication data”. IAD interconnection data configuration belongs tointerworking data configuration in the overall configuration flow ofZXSS10 SS1b.
FIGURE 4 CONFIGURATION FLOW DIAGRAM
Caution:
Add DAS (digital analysis selector) for gateway cluster selectionbefore configuring interconnection data.
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Interconnection PlanningIntroduction Both parties information must be found out for different device
coupling. SS side provides information for IAD, so does IAD. Aboveinformation must be prepared before interconnection configura-tion.
Table 1 lists IAD interconnection configuration plan.
TABLE 1 IAD DATA PLANNING
Configured Items Planned Value Remark
IAD zone number 1 -
IAD zone processingboard
Board 3 is the firstchoice, then is board4.
-
IAD node number 6 -
IAD IP address 10.40.82.87 Provided in the IADside
Protocol type H.248 The basic mediacontrol protocol
Protocol Port Number 2944 in both SS andIAD sides
Negotiated by twoparties. Try to use thewell-known port.
TID NAMEConfiguration
AG58900–AG58907 RTP/00000–RTP/00007
8-interface IAD deviceresource, includingRTP resource andsubscriber circuit
IAD PropertyTemplate Number
1 -
IAD packet templatecode
1 -
Adding an IAD ZonePrerequisites Before adding an IAD zone, meet the following requirements.
� NetNumenN31 connects with background database
� DAS selected by IAD is established.
Context This topic describes the procedure to add an IAD zone.
In the SoftSwitch system, allocating the data area of the process-ing board as well as configuring the hundreds group are performedon a zone basis. Prior to IAD addition, it is required to configurethe zone where the IAD is located.
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Steps 1. In the NetNumenN31 Unified Management System win-dow, right-click an SS NE, and select Configure Managementfrom the pop-up menu.The Data Configure window appears as shown in Figure 5.
FIGURE 5 THE DATA CONFIGURE WINDOW
2. Double-click the IAD icon.The IAD zone window appears.
3. Click the AddZONE icon from the toolbar.
The Zone Basic Property Configurtion dialog box appearsas shown in Figure 6.
FIGURE 6 ZONE BASIC PROPERTIES CONFIGURATION
4. Enter parameters values as explained in Table 2.
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TABLE 2 SUMMARY OF PARAMETERS FOR IAD ZONE
Field Name Description
ZoneAdd an unused zone number, which should notexceed the maximum number of zones in thesystem capacity configuration.
DAS The digit analysis selector for calledsubscribers. This DAS has the lowest priority.If the subscriber has no DAS, and if the DASis not configured with hundreds groups, thenthis item is used.
Network Type Consistent with the network type in theSoftSwitch property configuration
LATA Area code of the city where the zone is located.
Office Language Select the language according to the on-sitecondition.
Passing NetworkType
Select the local network type
Incoming CallRight Template
Indicates if various types of calls can beperformed under the following conditions:incoming calls for normal subscribers, outgoingcalls for normal subscribers, incoming callsfor owing subscribers, outgoing calls fromowing subscribers. This item is configuredin the Call Right Model Configurationdialog box (path: Service Manage > UserModel Configuration > Call Right ModelConfiguration).
Caller DAS Do not set this parameter if no analysis forcalling DNs.
Zone Name The naming rule is as follows: devicename_zone number, such as IAD_1.
Zone Type Defaults to 6–IAD
Extended RightModel No.
Use the extended right model number refer-enced by users. This template is an extensionof Incoming Call Right Template.
Caller Authenti-cation
Authenticates the callers.
Full Media CodecCapacity
Implements the coding/decoding conversionfunction for calls under the zone node.
Domestic TG Valid in the configuration of TG/SG nodes, rep-resents the domestic TG device.
International TGValid in the configuration of TG/SG nodes, rep-resents the international TG device.
PBX Valid in the configuration of TG/SG nodes, rep-resents the user device.
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5. After configuring parameters, click the OK button to confirmthe operation.
END OF STEPS
Result An IAD node is added successfully.
Configuring Data AreaCapacity of IAD Zone
Prerequisites Before configuring the data area capacity of an IAD zone, meetthe following requirements.
� NetNumenN31 connects with background database.
� Operator logs in Configure Management interface of NetNu-menN31.
� The IAD zone is added.
� The corresponding SPC is added, and its basic properties andcapacity are configured according to the usages.
Context The SoftSwitch’s processing boards handle calls and protocols ona zone basis. After the zone is added, it is required to assign aprocessing board for the zone and configure the data area capacity.
Steps 1. In the Data Configure window, right-click the ZXSS10 icon,and select Shelf Configuration from the pop-up menu.The Shelf Configuration dialog box appears.
2. Right-click the corresponding SPC board and select Data AreaCapacity Configuration from shortcut menu.
The Data Area Capacity Configuration interface pops up asshown in Figure 7.
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FIGURE 7 DATA AREA CAPACITY CONFIGURATION
3. Click the Add(A) button.
The Add Data Area Capacity Configuration interface popsup as shown in Figure 8.
FIGURE 8 ADD DATA AREA CAPACITY CONFIGURATION
For the parameter description, see Table 3.
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TABLE 3 CONFIGURATION PARAMETERS-THE CAPABILITY1 TAB
Parameter Description
Max Calls For the use of handling users, calculatedaccording to 0.2ERL for each line. The call dataarea size should be calculated by multiplyingthe user capacity with 0.2. For the use ofhandling trunks, it is calculated according to0.7ERL for each line, and the call data area sizeis acquired by multiplying the trunk capacitywith 0.7. That is, the call data area capacityis equal to the maximum user capacity*0.2plus the maximum trunk capacity*0.7. Theaverage Erl is modified according to the actualconditions of different areas.
Max Calls ofMGCP
If the data area size allotted to MGCP users isX, then the H248 data area size is also X.
Max Calls of H248 If the data area size allotted to H248 users isX, then the H248 data area size is also X.
Max Calls of H323 If the data area size allotted to H323 users isX, then the H323 data area size is also X.
Max Calls of SIP If the data area size allotted to SIP users is X,then the SIP data area size is also X.
Max Transactionof SIP
The data area size for the transaction layerof SIP, which is configured according to theon-site condition.
Max Reg. of SIP The registration data area size for SIP users,which is configured according to the on-sitecondition.
Max Calls of SCM Configured according to the ratio of IN calls(including MAP and CAP) for users. If theratio is 0.3, then Max Calls of SCM=MaxCalls*0.3. This ratio can be modified accordingto the actual condition.
Max Calls of INAP Max Calls of SCM-Data Area for MAP-Data Areafor CAP
Max Calls ofDSS1
If the call data area size allotted to DSS1 usersis X, then the DSS1 data area size is also X.
Max Calls of SS7 Configured according to the ratio of the calldata area for SS7 trunk groups of the zone. Ifthe ratio is 0.3, then this item is calculated bymultiplying Max Calls with *0.3.
Max SingleCircuit Calls ofSS7
The SS7 single circuit data area refers to thedata area for single-circuit calls. The numberof SS7 single circuits is equal to 0.2 * thenumber of total trunk circuits configured.
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Parameter Description
Percent ofMonitor DataSection in CallData Section
The ratio of the data area (for the listeningservice) to the call data area. If the listeningservice is not used, it is 0.
Max Subscribe The maximum data area for the announcementindicator service.
Note:
For the IAD zone, it is recommended to configure the call dataarea and related protocol data area (H.248 or MGCP) only.
The active/standby SPCs, if used to handle the same zone,should have the consistent capacity configuration of data ar-eas.
4. Click the Capability2 tab.The Capability2 screen appears as shown in Figure 9.
FIGURE 9 DATA AREA CAPACITY CONFIGURATION 2
For the parameter description, see Table 4.
TABLE 4 PARAMETER DESCRIPTION-THE CAPABILITY2 TAB
Parameter Description
Max Multi CircuitCalls of SS7
The SS7 circuit group data area refers to thedata area for the trunk group circuits. Thenumber of SS7 circuit groups is calculatedby multiplying the number of total trunkcircuits configured with 0.25.
Max Calls of V5 If the call data area size for V5 users is X,the then V5 data area size is also X.
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Parameter Description
Max Data Area forBICC
Configured according to the ratio of calls tothe MSC through the BICC protocol. If nocalls to the MSC, it is 0.
MAX Data Area forBICC CG
The data area size for BICC concurrent calls.
MAX Data Area forPS
The data area for the disaster recoveryservice.
MAX Data Area forMAP
The MAP data area
MAX Data Area forMTC
The data area size in the coding/decodinggateway configuration.
CS_2 CSA MaximalData Area
Used exclusively for the CS_2 service. Therecommended configuration ratio (CSA: CS:LEG) is 1:3:6.
CS_2 CS MaximalData Area
Used exclusively for the CS_2 service. Therecommended configuration ratio of CSA, CSand LEG is 1:3:6.
CS_2 LEG MaximalData Area
Used exclusively for the CS_2 service. Therecommended configuration ratio (CSA: CS:LEG) is 1:3:6.
5. Click the OK button to confirm the operation.
END OF STEPS
Result The data area capacity of an IAD zone is configured successfully.
Postrequisite After allocating the capacity of data area, reboot correspondingSPC board according to system prompt.
Configuring a ProcessingBoard for the Zone
Prerequisites Before configuring processing board for zone, meet the followingrequirements.
� NetNumenN31 connects with background database.
� Operator logs in Configure Management interface of NetNu-menN31.
� IAD zone is added.
� Corresponding SPC processing board is added.
Context This topic describes the procedure to assign a SPC to the zone.After the data areas of the zone are configured in the SPC, theuser services, protocols and authentication assignment within thezone can be handled by the SPC.
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The master/slave LSQs work in active/standby status. The mas-ter LSQ, if operating properly, is used to handle related servicesand protocols of the zone. Once the master LSQ fails, the slaveLSQs starts to assume the master SPC’s work. Therefore, the mas-ter/slave LSQs should use different boards. If there are no LSQswith the active/standby relationship, use the same LSQ to handlerelated services, protocol and authentication.
Steps 1. Select the newly-added IAD icon, right-click it, and selectZone&Card Configuration from the pop-up menu.
The Zone And Card Configuration dialog box pops up asshown in Figure 10.
FIGURE 10 ZONE AND CARD CONFIGURATION
2. Click the Add button.
The Add Zone And Card Configuration dialog box pops upas shown in Figure 11.
FIGURE 11 ADDING ZONE&CARD CONFIGURATION
3. Fill in Master LSQ ID and Slave LSQ ID.
4. Click the OK button and system prompts to reboot SPC board.
END OF STEPS
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Result Allocate corresponding processing board for zone successfully.System suggests reboot corresponding SPC board to make con-figured data effective.
Configuring a Static PropertyTemplate
Prerequisites Before configuring MG static property template, meet the followingrequirements.
� NetNumenN31 connects with background database.
� Operator logs in Configure Management interface of NetNu-menN31.
� The IAD zone is added.
Context This topic describes the procedure to configure a MG static prop-erty template.
Caution:
Because adding or modifying the template property affects the callflow, this operation should be performed under the guidance oftechnicians.
Steps 1. Double-click the IAD zone icon and enter IAD node additioninterface.
2. Click the Add IAD button on the toolbar.
The 6-IAD Property Configuration dialog box pops up asshown in Figure 12.
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FIGURE 12 6-IAD PROPERTY CONFIGURATION DIALOG BOX
3. Click the Device Property tab and then click the Static Con-figuration Template No. parameter.
The Browse MG Configuration Model interface pops up asshown in Figure 13.
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FIGURE 13 BROWSE MG CONFIGURATION MODEL
4. Click the Add(A) button.
The AddMGConfigurationModel interface pops up as shownin Figure 14.
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FIGURE 14 ADD MG CONFIGURATION MODEL
Caution:
In general cases, it is unnecessary to add a MG static properlytemplate. Instead, use the default MG static property tem-plate.
5. Fill in MG property template ID from number 1.
6. Click the Basic Property tab, and configure basic propertiesaccording to Table 5.
TABLE 5 BASIC PROPERTY CONFIGURATION OF MG STATICTEMPLATE
ConfiguredItems Illustration
DNS IP address IP address in domain name resolution server,no application for the time being.
Pound symbol # indicates 70 (F) in protocol, # will berepresented as F when terminal reportsnumber.
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ConfiguredItems Illustration
Asterisk symbol # indicates 69 (E) in protocol, # will berepresented as F when terminal reportsnumber.
The longesttransactiontime(10ms)
Longest time for transaction existence, SSwill not handle a same transaction.
Max times ofdecoding errorthat MGC canignore
The maximum number of allowing MGCdecoding errors
Retransmissiontimes
Each transaction is protected by aretransmission mechanism. It is consideredas a disconnection when reaching max.retransmission times; SS considers gatewayhas quit the service once reaching max.retransmission times.
Retransmissionmode
There are 2 kinds of modes: 1-Variableduration and 2-Constant duration.Constant duration refers to the time intervalof each retransmission is permanent. Variableduration refers to the time interval betweensuccessive transaction retransmissionsincreases progressively (for example, thetime interval for the first retransmission is200ms, and becomes 400ms for the secondretransmission, and so forth).
Template name Set the name of the static property template.
Heartbeat CycleFor Link Checking
The heartbeat detection cycle between theMGC and MG when the MGCP is applied.
H248 HeartbeatFor LinkChecking(s)
The heartbeat detection cycle between theMGC and MG when the H248 is applied.
MGCP CollectingSignal Mode
The number receiving mode (DTMF or pulse)when the MGCP is applied.
Deal WithUnexpected Event
Select a handling method when the abnormaloff-hook event is received.
Max octetspermitted inpacked Message
Defaults to 300, which cannot be modified.
Enable Three-handshake
For a transaction, sends an ACK messagefor reconfirmation after receiving anacknowledgement.
Enable Encryption Supports data encryption.
Enable Trace Enables the signaling tracing feature. If thisitem is deselected, then users and nodesreferencing this template cannot use thesignaling tracing feature.
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ConfiguredItems Illustration
Support Fax Select this check box for fax service.
Long Call Auditing Enables the audit on extra-long call duration.
Once this item is enabled, the SoftSwitchperiodically detects if long-term calls areonline.
Strict Authoriza-tion
Executes strict authorization program duringregistration.
Heartbeat Mes-sage is Forced byH248 not to beSent
Forces the H248 messages to send theheartbeat signaling. The MGC does not sendthe heartbeat messages to the MG.
Support H248Message contain-ing multiple Trans-actions
Supports integration of multiple transactionsfor H248. Places multiple transactionsinto a message for sending. If thisitem is not enabled, when the SS sendsmessages to the gateway, one messagecontains one transaction only.
7. Click the Timer Property tab as shown in Figure 15, and con-figure timer properties according to Table 6.
FIGURE 15 CONFIGURING THE TIMER PROPERTIES
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TABLE 6 TIMER PROPERTY CONFIGURATION OF MG STATICTEMPLATE
Configured Items Description
Disconnection Timer10ms
Used inside the SoftSwitch system, whichmonitors the MGCP data area and pre-vents it being suspended.
Call releasing retryingtimes
Used in conjunction with the call releasetimer.
Restarting Timer10ms Reserved
Activation detectingTimer10ms
Reserved
Response Timer (10ms) Upon receipt of the request from thegateway, the SS starts the timer. If themessage is still being processed whenthe timer expires, then the pending mes-sage is sent to the gateway.
Response confirmingTimer (10ms)
Reserved
Retransmission Timer(10 ms)
After sending the request message,the SS starts the timer. If noacknowledgement is received from thegateway when the timer expires, thenthe request message is retransmittedagain.
MAX linkdown times The link disconnection is counted once ifthe gateway has no response to the requestmessage and the number of retransmissionsexceeds the threshold. Once MAX linkdowntimes is exceeded, the gateway is forced toexit the service.
MG Pending interval (10ms)
Reserved
MGC Transaction time(10 ms)
Default Property, if selected by the root userin the TID default property configuration, isused as a parameter in the detection eventsent by the SS when the gateway registersand enters the service.
Locked SubscriberAUDITVALUE Timer(10ms)
Under the dialtimeout or hang-on-time-out(that is, one party goes on-hook, and theother party still hangs on the phone for a longtime) condition, the SoftSwitch sets the userto locked status; and meanwhile, enables thelocked subscriber AUDITVALUE timer. Oncethe timer runs out, the SoftSwitch sends anAUDITVALUE message to the gateway todetect if the user has gone on-hook. Thisfacilitates in-time release of user resources.
8. Click the Additive Property tab, and configure additionalproperties according to Table 7.
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FIGURE 16 CONFIGURING THE ADDITIONAL PROPERTIES
TABLE 7 TIMER PROPERTY CONFIGURATION OF MG STATICTEMPLATE
ConfiguredItems
Description
Authenticatingdata length
Reserved
Authenticatingdata
Reserved
Security param-eter index
Reserved
Sequence num-ber
Reserved
Authenticationmode
None, AH or IPSec.
Transmissionmode
Supports UDP only.
Coding format The signaling coding mode: Text or ASN.1
MGCP version(X.X)
Version number of MGCP. Generally, set it to1.0.
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ConfiguredItems
Description
MGCP codecalgorithm
Reserved
Control mode ofmedia server
Reserved
MG contexts In the TID default property configuration, ifthe root user selects Default Property, thenthe SS sends the detection event after theregistered gateway enters the service. Thisitem refers to the number of MG contextsincluded in the detection event.
MG terminations In the TID default property configuration, ifthe root user selects Default Property, thenthe SS sends the detection event after theregistered gateway enters the service. Thisitem refers to the number of terminationsincluded in the detection event.
NQA threshold Used when the nt/netfail event is sent to thegateway. If this threshold is exceeded, thegateway sends a message.
TIDMASKLEN Indicates the length of wildcards forthe TIDNAME.
The length of AGMask
Indicates the length of wildcards if AGmask is selected for Wildcard Type inthe wildcard configuration.
Qos StatisticsLevel
Controls the number of QoS statistical items.Applied to interconnection of the ZXSS10 andZXMSG 9000.
After CallingControl, SendChecking Event
If the CPU reaches the threshold or new callscannot be connected due to other reasons, and ifthe phone has gone offhook, then the detectionevent is sent to the user.
Send Signal ofPolarity reversalto NCS termina-tion
After the callee goes off-hook, the anti-polaritysignals are sent to the NCS terminal to start thebilling process.
MGCP SDP Mod-ify ConnectionMode
After the ADD message is sent to the callingparty to prepare the media request, if the ter-minal adds the sending/receiving mode (Recei-veOnly) in the returned SDP signaling, then thesending/receiving mode sent to the callee is alsoReceiveOnly. This results in media disconnec-tion. If this parameter is selected, the ZXSS10analyzes if the SDP carries the sending/receiv-ing mode and, if so, sets the sending/receivingmode of the callee to SendReceive.
Send subtract toMG if contextIDof notify is notidentical
If this parameter is selected, and if the con-text ID in the Notify message is inconsistent, theMGC sends the SUB message to the MG to dis-connect the calls.
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Alarm for IADOff-line
If the IAD is offline, the H248/MGCP outputsthe IAD offline alarm and related information.If the IAD is online again, the H248/MGCPoutputs the information indicating the IADoffline alarm disappears.
Send Auth-Test Signal-ing (AUTH/AU-THREQ) WhenH248 MAC-AuthRegister
If this parameter is selected, the MAC authen-tication information carries the authentica-tion/audit signaling (AUTH/AUTHREQ).
9. Click the SIP Property1 tab, as shown in Figure 17.
FIGURE 17 THE SIP PROPERTY1 TAB
For the parameter description, see Table 8.
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TABLE 8 PARAMETER DESCRIPTION-SIP PROPERTY 1
Parameter Description
Enable CGAS LinkCheck
Enables link detection, and the ZXSS10 sendsthe heartbeat detection message.
T100 Timer (ms) Used to configure the time value of the onlinedetection timer.
T200 Timer (ms) Used to configure the time value of the offlinedetection timer
Testing Times ofT100
Used to configure the number of detections forthe online detection timer.
Testing Times ofT200
Used to configure the number of detections forthe offline detection timer.
SDP Type The support mode of RTP mediastreams. Options: 0-Single media flow,1-Multi-media flow of proxy2-Multi-mediaflow of UA3-All Multi-media flow
Reason Head AddQ.850 Reason
If this parameter is selected, then the Reasonfield in the SIP message carries the Q.850cause value.
False SIP CallingMedia IP
Media IP address of the virtual SIP calling party
Reason HeadSupply DefaultQ.850 Reason
If this parameter is selected, then the Reasonfield in the SIP message carries the defaultQ.850 cause value.
Default Q.850Reason
The default Q.850 cause value (34)
Reason HeadCarrying Q850Cause ValueWhen ISUPPacking
Encapsulates the Reason-carried Q.850cause value during the encapsulation of ISUPmessages.
Priority RFC3261Data Area
If this parameter is selected, then theSoftSwitch creates and searches thetransaction data area using the RFC3261mode; otherwise, the RFC2543 mode is used.
Use Info Messageto Shutoff SDP
If this parameter is selected, the SoftSwitchuses the info message to close the peer SS’smedia port; otherwise, do not support the useof the info message to close the media port.
Compare to Re-mote[VERSIO-NID]
If this parameter is selected, call detection ormedia switchover is evaluated according to theSDP, if available in the INVITE message fromthe peer end; otherwise, media switchover isconsidered.
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Parameter Description
Support 491 If this parameter is selected, the SoftSwitchsupports 491 transparent transmission(that is, services are reported during mediaswitchover); otherwise, no transparenttransmission is performed.
For SIP CallersNOT Carry ISUPEncapsulation
If this parameter is selected, the called-sidemessages carry no ISUP encapsulation duringcalls between SIP users; otherwise, whetherISUP encapsulation is carried is determined byother configuration of the node.
Support SIPTerminalAnonymity Call
For card users. If this parameter isselected, authentication, if configured, isperformed for the initial Invite messagewhen the anonymous call user originatesa call (moreover, authentication is notrequired for subsequent requests); otherwise,authentication , if configured, is performed forall messages.
SS play ringbackfor sip_user
Used for services, with which the SS playsringback tones for SIP callers in some cases.
Change CallingMedia
If the UPDATE message is sent to updatemedia (disassembly of internal message,rather than transparent transmission), theSS notifies the service to store informationupon receipt of the 200 OK message, and latertransparently transmits the message to thepeer end.
Change CalledMedia
If this item is selected, and if SDP negotiationis complete for both two parties and thesystem receives a new SDP, then the REINVITEmessage without SDP is sent to the peer end;otherwise, the REINVITE message with SDP issent to the peer end.
Forward Info.Equals to ISUPContent
If this item is selected, the SoftSwitch, uponreceipt of the INVITE message, sets theold callee and retransmission informationaccording to the encapsulated IAM; otherwise,the SS sets information according toDIVERSION.
SupportSENDONLY Matchof Media Mode
The media type of the received requestmessage matches that of the sentacknowledgment message.
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Parameter Description
SIP Node Support500
First, if this item is selected, the SoftSwitchtransparently transmits the 500 message uponreceipt of the REINVITE message; otherwise,no transparent transmission is performed, andthe INVITE message is retransmitted to thepeer end.
Second, the SoftSwitch originates a backwardREINVITE message, and then receives aforward REINVITE message. In this case,if this item is selected, the SS handlessuch confliction; otherwise, no handling isperformed, and the message is discardedand the call is released due to timeout of theservice.
Play Hold-tone bySS
Used for services.
0xB change to ‘B’ Forwards the received DNs with *, B or b as B.
0xC change to ‘C’ Forwards the received DNs with #, C or c as C.
10.Set parameters, and click the SIP Property2 tab, as shownin Figure 18.
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FIGURE 18 THE SIP PROPERTY2 TAB
For the parameter description, see Table 9.
TABLE 9 PARAMETER DESCRIPTION-SIP PROPERTY 2
Parameter Description
Session CheckType
Select a session check mode. Options: 0-Nosession check, 1-ZTE session check and2-Session timer session check.
Caller URI Format(No Use For SIPNode)
Used to configure the format of the calling URLparameter.
Called URIFormat(No UseFor SIP Node)
Used to configure the format of the called URLparameter.
Session timerRefresh Type
The refresh mode of the session timer:Update or Invite.
Session timerRefresh Side
Select a session originating party. UAC refersto the user, and UAS refers to the proxy server.
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Parameter Description
Session timermin refresh time(s)
The minimum session refresh time of thesession timer. The default value is 90s.
Session timerduration (s)
The time interval of session timer sessions.The default value is 1800s.
Keep LinkupWhen DisasterOccur
In conversation status, to avoid calls or thestatus of users being suspended, the SSperiodically originates a message to performsession detection. If no detection messageis received during a time interval and thepeer-end SS is offline, and if this item isselected, then the SS waits some time (LinkKeep Time For Disaster (s)), and thendisconnects calls; otherwise, the call is directlydisconnected.
Link Keep TimeFor Disasters
In conversation status, to avoid calls or thestatus of users being suspended, the SSperiodically originates a message to performsession detection. If no detection messageis received during a time interval and thepeer-end SS is offline, and if this item isselected, then the SS waits some time (LinkKeep Time For Disaster (s)), and thendisconnects calls; otherwise, the call isdisconnected directly.
Transfer 182 Info If this item is selected, the SS, upon receipt ofthe 182 message from the callee, sends the182 message to the caller; otherwise, insteadof sending the 182 message, the SS maps thismessage into other messages and forwards itto the caller.
Transfer SIPService Info
If this item is selected, the SS transparentlytransmits SIP service information to theservice process layer (SS) for further handling;otherwise, SIP service information is extractedfrom the PAS or PPS field in the SIP message.
Session Test withSDP
If this item is selected, the Reinvite messagecarries the SDP in ZTE session detection.
Support P-Early-Media
� The INVITE message carries thep-early-media:supported field.
� Converts the received notification ofthe transaction layer (SS) to 1xx orUPDATE message that carries thep-early-media:supported header.
In SupportPrecondition
Used by services.
Support History-Infos
The Supported message header carries hisinfowhen the SS sends the INVITE message.When receiving the INVITE message, the SSpreferentially extracts the forward-to DN fromhistory-info and reports it to the service.
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Parameter Description
Not Support PCVHeader
If the peer-end device is other SS or AS, andif the callers have no number presentationrestriction services subscribed, the SS usesthis item to evaluate if signaling messagescarry the PAI header. (PAI is carried if this itemis not selected; otherwise, PAI is not carried).
TO With CalledParty Number
If this item is selected, request-line has thesame uri as To; otherwise, the uri values maybe different (such as forwarding services).
Send 181Response WhenCall Forward
If this item is selected and, of theforwarding ISUP parameters, if Call DiversionInformation=presentation allowed withredirection number or presentation allowedwithout redirection number, then the SS sendsthe 181 message in the forwarding servicesflow; otherwise, the SS performs mappingaccording to other rules.
Not SupportP-Asserted-Identity
Used for non-CSCF nodes. If this item isselected, and if services carry icid information,then the INVITE message carries noP-Charging-Vector header; otherwise, theINVITE message carries the header.
Not SettingGenetic NumberUsed FromHeader
If this item is selected, then the SS does not fillin the universal number parameter; otherwise,the SS fills in it according to the From header.
SS Plays Fail ToneWith Fail CauseIn 18x
If the Reason Head Add Q.850 Reasonparameter is selected in the MG property modelconfiguration, and if this item is selected, thenthe 18x message carries the cause value whenthe SS fails to play tones; otherwise, the causevalue is not added.
Out SupportPrecondition
Used by services.
Follow 3GPPNumber Mapping
Used for non-CSCF nodes. If this item isselected, then the SS fills in the service numberbased on 3GPP rules; otherwise, 3GPP rulesare not considered. For CSCF nodes, the SSalways fills in related service fields accordingto 3GPP rules.
11.Set parameters, and click the OK button to finish the configu-ration.
END OF STEPS
Result Static property template is configured successfully.
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Configuring Tone ResourcesPrerequisites � The NetNumenN31 Unified Management System connects to
the database.
� The Data Configure window is open.
� The IAD zone is added.
Context The IAD itself can play some basic tones; however, the mediaserver is required to play intelligent service tones. The configura-tion of IAD tone resources designates one or more media serversto play tones for the IAD.
Steps 1. Right-click an IAD zone, and select Zone Tone Resource Dis-tribution Configuration from the pop-up menu.The Zone Tone Resource Distribution Configuration dialogbox appears.
2. Click the Add button.The Add Zone Tone Resource Distribution Configurationdialog box appears as shown in Figure 19.
FIGURE 19 ADDING ZONE TONE RESOURCE DISTRIBUTION
For the parameter description, see Table 10.
TABLE 10 PARAMETER DESCRIPTION-ADDING ZONE RESOURCEDISTRIBUTION
Parameter Description
Zone ID ID of the zone
ResourceType
Click Resource Type, and select the resourcetypes from the pop-up Browse Resource TypeConfiguration dialog box. Generally, resourcetypes 0, 1, 2, 3 and 10 are selected.
First NodeID/SecondNodeID/ThirdNodeID/FourthNodeID/FifthNode ID
Set the node ID of the media server to play tones.The media server corresponding to First Node IDis selected to play tones, and the media servercorresponding to Second Node ID is selected, andso forth.
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Parameter Description
Select ByTurn Flag
The configured media servers play tones by turns.
3. Set parameters, and click OK.
END OF STEPS
Adding an IAD NodePrerequisites Before adding an IAD node, meet the following requirements.
� NetNumenN31 connects with background database.
� Operator logs in Configure Management interface of NetNu-menN31.
� IAD zone is added.
Context This topic describes procedure to add an IAD node.
IAD application has many types, the frequently-used types areIAD of H.248 protocol and IAD of MGCP protocol. In terms of IADregistration, there are ways: IP address registration and domainname registration/ This topic describes the procedure to add anIAD node in the IAD zone.
Steps 1. In the SS topological view, double-click the IAD icon.
The IAD node window appears as shown in Figure 20.
FIGURE 20 IAD NODE WINDOW
2. On the toolbar, click Add IAD icon at the upper left corner.
The 6–IAD Property Configuration dialog box appears asshown in Figure 21.
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FIGURE 21 IAD NODE DIALOG BOX
For the parameter description, see Table 11.
TABLE 11 PARAMETER DESCRIPTION-IAD PROPERTIES
Parameter Description
Node ID The unique number of the gateway in the localSS network. The operator can click the field,and view the available node ID range. Makea planning before the node ID configuration.
Device Type 6–IAD
Device IP Address Use the actual IP address of the IAD.
Device DomainName
If None is selected for DynamicAuthentication, set this item optionally;if Domain Name is selected for DynamicAuthentication or the domain registrationmode is used, this item should be consistentwith that of the terminal.
Node MAC Address If MAC is selected for Dynamic Authentica-tion, this item should be consistent with thatof the terminal. In other cases, this item canbe empty.
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Parameter Description
Zone Use the zone number the node belongs to.
Node Name The naming rule is as follows: citynamedevice type identifierserialnumber. Of the characters, the device typeidentifier indicates the function categoryof the device node in the network. Formultiple devices of the same type within acity, number them from 1 according to aspecified order, such as SHIAD1.
Protocol Type Select H248 or MGCP.
Local Port If the H.248 is applied, use 2944; if theMGCP is applied, use 2427.
Peer Port If the H.248 is applied, use 2944; if theMGCP is applied, use 2727.
Port Type Select 1–UDP.
Template Node Configures the IAD node as the rootnode. Sub nodes can be configuredfor the root node.
IPVersion Select IPv4.
3. Click the Device Property tab.
The Device Property interface pops up as shown in Figure 22.
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FIGURE 22 ADD IAD NODE-DEVICE PROPERTY
Configure device property parameters as described in Table 12.
TABLE 12 IAD NODE CONFIGURATION
ConfiguredItems
Description
ProtocolAuxiliaryAttribute
Select 2-TEXT format.
DynamicAuthentication
Options: 0–None; 1–MAC; 2–Domain Name;3–MD5. The IAD, if using the IP addressregistration mode, has no association withauthentication. Presently, this parameter isselected when the domain name registrationmode is applied. The application of authenticationmodes can effectively prevent the access ofillegal terminals.
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ConfiguredItems
Description
StaticConfigurationTemplate No.
The static configuration template refers to somebasic parameters of H.248/MGCP. Generally,the system has a default template 1. Toadd or modify another template, click StaticConfiguration Template No. to enter theBrowse MG Configuration Model, and thenset parameters.
Device Style Click the panel and select the style according toIAD status.
Port Number Fill in this item according to actual IAD status.
Location Select THIS SS or PEER SS.
Link DetectionError Code
The error code returned when the link detectionfails.
Language TypeTemplate
Select a language for the node.
RTP Switch Sets whether to configure the RTP name. If thisitem is not selected, then the configuration of theRTP ITDNAME is unnecessary.
07 Telecom ECSwitch
Sets whether to enable the new specificationrelating to 07 telecom fax.
ProtocolCompatibility
If this item is selected, it means compatibility,which means it is unnecessary to configure theswitching between TerminationID and TID. If thisitem is not selected, you need to configure TIDswitching property, text property type and themeaning of certain segment name in TerminationID.
MGCP/NCSSpecialty
Reserved
MGCP/NCS Lo-cal Connection
Reserved
Change NetFunction
Used for the AG escape port feature. If the calledAG node is blocked, and if this item is selectedfor the calling AG node, then the SS notifies thecalling AG to originate a new call through PSTN,and the previous call is released. If this item isnot selected, then the previous call is normallyreleased.
IP Address Du-plicable
This device can share the same IP addresswith other devices.
VB Play Reserved.
Set Mode OfPhysical Termi-nation In VoipCall
Sends the media sending-receiving mode afterthe physical termination is created.
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ConfiguredItems
Description
CompatibleVersion BeforeChina TelecomModem V2.2
Compatible with versions prior to China TelecomModem Standard V2.2.
ModemCallNew StandardRTP EC Con-troled By Gate-way
Places the RTP EC under the control of the MGC.
Location Up-date
Valid for MAP users only. If no number allocationis performed for MAP users, then the SS sends thelocation update request to the SHLR.
Receive Peri-odic ChargingPulse of SS
Used for the 16kc charging feature. If this itemis selected, then SS periodically generates a 16kccharging pulse and sends it to the gateway; other-wise, the SS sends the charging algorithm to thegateway, and the gateway periodically generatesa 16kc charging pulse.
Non-ZTEEquipmentFlag
Indicates a non-ZTE device.
Note:
The IAD is marked with the MAC address. If the IAD registersthrough the BGW, then fill in the IP address with the addressof the BGW’s external port.
4. Click the OK button to confirm the operation.
END OF STEPS
Result Adding an IAD node is done successfully.
H.248/MGCP ProtocolConfigurationConfiguring a Property Template
Prerequisites Before configuring property template, meet the following require-ments.
� NetNumenN31 connects with database.
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� Operator logs in Configure Management interface.
Context This topic describes the procedure to configure property template.
Property template includes default incidents, default package,media SDP description and jitter/gain control parameters inH248/MGCP protocols. Adopt default values for following param-eters and no need to modify property template.
Note:
Adopt self-carried default template for H.248 property template.This topic mainly introduces the meanings of corresponding pa-rameters. Generally, it is unnecessary to add parameters.
Steps 1. In the Configure Management interface, select Protocol(P)> H248/MGCP Configuration(M) > Property Model Con-figuration(T).The Property Template Configuration dialog box appears.
2. Click the Add(A) button.
The Add Property Template Configuration interface popsup, as shown in Figure 23.
FIGURE 23 ADD PROPERTY TEMPLATE CONFIGURATION
3. Fill in the Property Template ID, numbering from 1.
4. Other parameters in Event Prop. are shown in Table 13.
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TABLE 13 EVENT PROPERTY
ConfiguredItems Instruction
Default EventStructure
Pulse audio-frequency symbol which indicatespulse dialing or audio-frequency dialing. 0-NOindicates only one event detection.
DefaultRequested ID
2000
Number ofDefault Events
1
Default EventPacket Name
Input 9, indicating AL (Analog Line SupervisionPackage)
Default EventNo.
Input 5, indicating OF (Offhook)
Lengthof EventStructure
0 or None.
Send 3 AUParam (it ivdu)
Sends three expansion parameters of theAU packet. it: The maximum number ofrepeatedly playing a kind of announcement;iv: The time interval of repeatedly playing akind of announcement; du: The time durationof playing an announcement.
5. Select the TDM Prop. tab, as shown in Figure 24, and inputbelow configuration.
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FIGURE 24 THE TDM PROP TAB
TABLE 14 TDM PROPERTY
ConfiguredItems
Introduction
JIT The maximum number of jitters.
Unit is db.TDM GainControl
If detailed value and tdmc are configured, thentdmc/gain=2 could be found in signaling. Thepulse/minus flag is used to indicate a gain ispositive or negative.
Local Control Valid for MGCP only, used to set some featuresof MGCP users when MGCP connectionsare established, such as echo suppression,coding/decoding type. The common format is asfollows: p:20, e:on,s:off,a:G729;PCMA;PCMU
Name Name of the property template, which can usethe voice coding name & voice coding nameformat, such as G711U, G729, G711A&G729. Fora non-20MS packing time, use G711A10ms toindicate it.
TDM GainControlling Tag
Indicates a positive/negative gain.
SendTDMC/EC Tagto T DM
Sets whether to send the TDMC/EC flagto physical users. If Yes is selected, theTDMC/EC=on is sent, indicating the echosuppression feature is enabled. If No is selected,
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ConfiguredItems
Introduction
then TDMC/EC=off is sent, indicating the echosuppression feature is disabled.
SendTDM/Gain Tagto TDM
Sets whether to send the TDM/Gain flag tophysical users. If TDM/Gain is sent to physicalusers, then the is used for gain control; thatis, adjusting the signaling level.
TDMEchoCancellationSwitch
If this item is enabled, and if the TDMC packetis configured, then tdmc/ec =off can be found insignaling messages. If this item is disabled, thentdmc/ec=on is found in signaling messages.
6. Select the RTP Prop tab, as shown in Figure 25.
FIGURE 25 THE RTP PROPERTY TAB
For the parameter description, see Table 15.
TABLE 15 PARAMETER DESCRIPTION-RTP PROPERTIES
Parameter Description
RTP Gain Control The RTP gain control value
RTP GainControlling Tag
Sets whether to enable the RTP positive gainor negative gain.
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Parameter Description
RTP EchoCancellationSwitch
Sets whether to enable the RTP echosuppression feature.
Send TDM/GainTag to RTP
Sends the TDM/Gain flag to the RTP. TheTDM/Gain parameters, sent to the RTP, are setin the RTP gain control configuration, whichare used for gain control (that is, adjusting thesignal level).
Send TDMC/ECTag to RTP
Sets whether to send the TDMC/EC flag to theRTP. If Yes is selected, then TDMC/EC=on issent to the RTP, indicating the echo suppressionfeature is enabled; if No is selected, thenTDMC/EC=off
is sent to the RTP, indicating the echosuppression feature is disabled.
Virtual RemoteSDP Tag
Enables the virtual remote SDP feature inconjunction with Virtual Remote IP andVirtual Remote Port.
Virtual RemoteIP
If this parameter is applied to the cross-domainshort messages (SMS) feature, the SoftSwitchsystem constructs a remote SDP according tothe configured IP address and sends it to thegateway.
Virtual RemotePort
If this parameter is applied to the cross-domainSMS feature, the SoftSwitch system constructsa remote SDP according to the configured portnumber and sends it to the gateway.
Send H248.30plc Property
Sends the PLC packet defined in the H248.30protocol (the PLC attributes should beconfigured).
Send H248.30gmin Property
Sends the gmin packet defined in the H248.30protocol (the GMIN attributes should beconfigured).
PLC Property Property value of the sent PLC packet.
GAIN Property Property value of the sent GMIN packet. Thedefault value is 16.
7. Click the SDP Prop. one tab andSDP Prop. two tab.
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FIGURE 26 THE SDP PROPERTY1
Presently, a property template in the SS supports a maximumof concurrent seven SDP description configurations, includingAUDIO, FAX, VIDEO, DATA, MGCP/NCS, ISDN Tran andZTE Hairpin. The carried media parameter information varieswith the SDP types. For different services, add differentSDP description information. For example, if 6–ISDN Tranis added, then the CLEARMODE line is added in the SDPdescriptor, and the CRBT APP can use this coding to identifyvideo calls and determine whether to trigger the video CRBT,as shown in Figure 27.
FIGURE 27 THE SDP DESCRIPTION INFORMATION
The SDP description should be in a correct format, without anyredundant spaces or space lines. The text-format SDP descrip-
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tion, valid for H.248 only, is used to set all of the coding/de-coding properties the user can support.
The SDP description includes the version number, packing cycleand coding method. The format is as follows.
v=0
c=IN IP4 $
m=audio $ RTP/AVP 18
a= ptime:20
Of these parameters,
m=audio$ RTP/AVP 0 represents G.711μ law compression cod-ing
m=audio$ RTP/AVP 8 represents G.711 A law compressioncoding
m=audio$ RTP/AVP 4 represents G.721 compression coding
m=audio$ RTP/AVP 18 represents G.729 compression coding
a=ptime:20 refers to the time interval to zip a compressionpacket is 20ms.
For the description of other parameters, see Table 16.
TABLE 16 PARAMETER DESCRIPTION-OTHER SDP PROPERTIES
Parameter Description
FilterParametersa=X
Sets whether to filter the a=X- parameter.
ChangeMulti-M Rowof SDP
If the SDP has multiple M lines, sets whether toconvert these lines.
Name of nullNO. table withbrackets
If the digit number (DN) table is empty, setswhether to contain a bracket in the table name.
SDP MediaFlow Selection
Sets whether to enable the SDP media streamselection feature. If the SDP has multiple m lines,and if this item is selected, the first m lines arereserved, and the rest of m lines are removed.
8. Click the OK button to finish configuration.
END OF STEPS
Result Configure property template successfully.
Configuring a Package Template
Prerequisites � NetNumenN31 has been connected to the database
� You have logged in to the Configure Management interface.
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Context This topic describes how to configure package template.
Package template refers to a collection of H248/MGCP protocolpackages. IAD/TG/AG devices of different vendors support variedprotocol packages. As a result, different package templates be-come a necessity for varied requirement.
Steps 1. On the Data Configure interface, select Protocol(P) >H248/MGCP Configuration(M) > Package Model Config-uration(K).
The Package Model Configuration interface pops up, asshown in Figure 28.
FIGURE 28 PACKAGE TEMPLATE CONFIGURATION WINDOW
2. Click the Add(A) button.
The Add Package Model Configuration interface pops up,as shown in Figure 29.
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FIGURE 29 ADD PACKET TEMPLATE WINDOW
3. Fill in Packet Template ID, numbering from 1.
4. In actual project, perform the following operations to meet therequirements of interconnection device types, as listed in Table17.
TABLE 17 ADD NEW PACKAGE TEMPLATE
Purpose Operation
Configure IADpackage template
Select 2, 1, 3, 4, 5, 6, 8, 9, 10, 11, 241, 13,244, 7, 242 packet number in turn. Nameis IAD.
Configure TGpackage template
Select 2, 1, 3, 4, 5, 6, 245, 8, 9, 10, 11, 241,13, 244, 7, 242 packet number. Name is TG.
Configure AGpackage template
Select 2, 1, 3, 4, 5, 6, 245, 8, 9, 10, 11, 241,13, 244(60), 7, 242, 256 packet number inturn. Name is AG.
Configure MSG9000 packagetemplate
Select 5, 245, 7, 10, 11, 13, 255 packetnumber in turn. Name is MSG 9000.
For the meanings of common packet templates, see Table 18
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TABLE 18 COMMON PACKET TEMPLATE MEANINGS
PacketTemplate
Meaning
1H248Generic Used for the PBX multi-select group only.Detects if the process of sending digit numbers(DNs) is complete.
2H248ROOT If this item is configured, then some defaultvalues (such as the maximum number ofcontexts and maximum number of TIDs foreach context) are sent to the MG when thegateway registers.
5H248DG Used for PBX sending DNs.
6H248DD Used for the gateway reporting DNs.
7H248CG Used for playing basic tones, such as dial tone,ring-back tone and busy tone.
9H248AL Used for onhook/offhook, hookflash andringing.
10H248CT Used for continuity detection.
11H248NT Used for detecting the RTP status.
13H248TDMC If the property template is configured withparameters related to TDMC gain or echosuppression, then this item should be selected.
19H248IPFAX Used for T38 faxing. To perform full control onSS faxing, configure this item.
36H248XCG Used for playing tones (and some specialtones). If this item is configured, xcg/roh issent when howl plays.
41H248_CHP The congestion packet, which can be configuredwith the congestion threshold. The SS detectsthe congestion event of the root node. If thecongestion threshold is exceeded, the gatewayreports the congestion event, and the SS startsto handle calls according to the specified policy.
42H248CONFTN Used for the conference service.
59ALERT The ringing packet or call wait-tone packet.
60ANDISP The caller ID display packet
62 H248BCASADDR
The packet used for CAS calls, which carriestype A signals.
63H248BCAS The basic CAS packet, including seizure andanswer. For CAS users, it is required to fill indefault events of the default property templatewith different detection events.
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PacketTemplate
Meaning
123H248ICAS The international CAS packet, used fordetecting forward release and backward releasein CAS signaling.
240H248R2 The R2 packet, used for detecting numberreceiving and other attributes.
69IT The heartbeat packet. It is necessary toconfigure the heartbeat detection event forthe ROOT node. After the gateway registers,the SoftSwitch sends the heartbeat detectionevent, and the gateway periodically reportsaccording to the time set by the SoftSwitch.
241H248MFD Used for pulse number receiving.
242H248XAL The anti-polarity packet, which is sent whenthe conversation begins. Upon receipt of thepacket, the system starts the billing process.
244H248_FSK The caller ID display packet, which is consistentwith the andisp packet. This is a ZTE privatepacket, which works for ZTE’s gateways only.To implement the caller ID display feature byinterconnecting other devices, configure theandisp packet.
245H248_AU The packet that plays tones. The configurationof this packet should be performed before theconfiguration of the cg packet. Upon receiptof the packet, the media server starts to playtones. The packet should not be configured inthe IAD packet templates.
246IPCTX Used for the console service, which sends DNsand Centrex group information.
247H248_CNT Used for the cross-network feature.
248H248_AUTH The authentication packet. If this itemis configured, and the authentication isapplied, the SoftSwitch periodically sends theauthentication detection event. If the gatewaydoes not pass the authentication, the SS forcesthe gateway to exit the service.
249DIFFSERV Used for the service controlling media.
255RTCP Used for QoS statistics. When the conversationbegins, the calling/called parties receive amessage indicating the statistical processstarts. If the QoS feature is required, thispacket should be configured; and meanwhile,in the configuration of global services, selectthe parameter in association with the QoSstatistics feature.
256H248_ISDN Used for ISDN calls.
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5. Click the OK button to finish configuration.
END OF STEPS
Result Configure package template successfully.
Configuring Default Properties
Prerequisites � NetNumenN31 has been connected to the database
� You have logged in to the Configure Management interface.
� A property template and a package template have been con-figured.
Context This topic describes how to configure the default properties.
Configuring default properties of the gateway refers to specify-ing the property template flag and packet template flag for theIAD/TG/AG and other gateway devices.
Steps 1. On the gateway node interface, right click the connection linebetween the gateway node and ZXSS10. Select TID DefaultProperties Configuration from the pop-up menu.
The TID Default Properties Configuration interface popsup, as shown in Figure 30.
FIGURE 30 CONFIGURE TID DEFAULT PROPERTIES WINDOW
2. Click the Add(A) button.
The Add TID Default Properties interface pops up, as shownin Figure 31.
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FIGURE 31 ADD DEFAULT PROPERTIES WINDOW
3. Perform following operations according to the requirement ofdifferent device types, as shown in Table 19.
TABLE 19 ADD DEFAULT PROPERTIES OF DIFFERENT DEVICE TYPE
Purpose Operation
Configure thedefault propertytemplate of IAD
i. Select 1-SUBSCRIBER or 3-RTP inTerminal Type for the IAD device ofH248 protocol, and only configure thedefault property of subscriber type forIAD device of MGCP.
ii. Click parameter frame and select theconfigured Property Template ID.
iii. Click parameter frame and select theconfigured Packet Template ID.
Configure thedefault propertytemplate of TG
i. Select 2-TRUNK or 3-RTP in TerminalType.
ii. Click parameter frame and select theconfigured Property Template ID.
iii. Click parameter frame and select theconfigured Packet Template ID.
Configure thedefault propertytemplate of AG
i. Select 1-SUBSCRIBER or 3-RTP inTerminal Type.
ii. Click parameter frame and select theconfigured Property Template ID.
iii. Click parameter frame and select theconfigured Packet Template ID.
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Purpose Operation
Configure thedefault propertytemplate of MSG9000
i. Select 2-TRUNK or 3-RTP in TerminalType.
ii. Click parameter frame and select theconfigured Property Template ID.
iii. Click parameter frame and select theconfigured Packet Template ID.
Note:
� If Default Property is selected, then the MGC sends adefault event value to the MG.
� After selecting a terminal type, click OK, and then add an-other terminal type.
4. Click the OK button to finish configuration.
END OF STEPS
Result Configure default properties successfully. Here take IAD device forexample, add 1-SUBSCRIBER and 3-RTP in Terminal Type.
Figure 32 shows the configuration result.
FIGURE 32 DEFAULT PROPERTY CONFIGURATION COMPLETION
Configuring a TID NAME for the IAD
Prerequisites Before configuring TID NAME of IAD device, meet the followingrequirements.
� NetNumenN31 connects with database
� Operator logs in Configure Management interface.
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� Associated subscribers have allocated numbers.
� Node number of IAD is added.
Context This topic introduces the steps to configure TID NAME of IAD de-vice.
TIDNAME is the terminal symbol in H248/MGCP protocol whichmarks physical termination point (subscriber circuit) and logicaltermination point (RTP port). IAD devices of each vendor havetheir own TIDNAME, such as aaln/0, AG58900, etc. TIDNAME dataconfiguration of SS must be identical with that of IAD device.
During the TIDNAME configuration, it is necessary to configureTIDNAMEs of different types (user circuit and RTP resource).
Steps 1. In the Data Configure interface, select Service Manage(S)> TID NAME Configuration(I).
The TID NAME Configuration window pops up as shown inFigure 33.
FIGURE 33 TID NAME CONFIGURATION WINDOW
2. Click the Add(A) button, and select Add TID Name from thepop-up menu.
The Add TID Name window pops up as shown in Figure 34.
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FIGURE 34 ADD TID NAME WINDOW
3. Configure related parameters are listed in Table 20.
TABLE 20 TID PARAMETERS ILLUSTRATION
Parameter Description
Node No. The IAD node number
MG Resource
NumberLength
Fill in according to the added TID NAME number,if the number is less than 10, fill in AG5890 withnumber length 1; if the number is less than 100,fill in AG589 with number length 2.
MG ResourceType
Select 4-Subscriber circuit indexed by NOC.NOC indicates an index.
Number Corresponds to the subscriber digit number (DN) inthe IAD configuration. The subsequent subscriberDNs increase on the basis of this item according toStart Number and End Number.
Network Type Select it according to actual conditions. This itemshould be consistent with that in the IAD zone con-figuration.
Area Code Area number where the IAD zone is.
Start Number Start number of the last digit of this resource.
End Number End number of the last digit of this resource.
NumberLength
Change the last-digit auto-numbering length ofthis resource, for example, the number inFigure34 indicates to add RTP resource number fromAG58900 to AG58902.
Resource No. -
Show DefaultValue
Enables the default configuration (default startnumber, end number and length)
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4. Click the OK button to finish configuration. Repeat step 2 toadd a new RTP type, as shown in Figure 35. Related parame-ters are listed in Table 21.
FIGURE 35 ADDING A RTP TIDNAME OF THE IAD
TABLE 21 ADD TID NAME (2)
Parameter Description
Node No. The IAD node number
MG ResourceName
NumberLength
Set it according to the number of TIDNAMEs.For example, to add TIDNAMEs with the numbersmaller than 10, then set MG Resource Name toRTP/0000, and set Number Length to 1; to addTIDNAMEs with the number not greater than 100,set MG Resource Name to RTP/000, and setNumber Length to 2.
MG ResourceType
Select 13-RTP.
Start Number
End Number
NumberLength
Fix the S/N of RTP port by Start Number, EndNumber and Number Length. For example, ifstart number is 0, end number is 2 and numberlength is 1, then add TIDNAME name fromRTP/00000 to RTP/00002. TID NAME number ofRTP style must be identical with subscriber type.
Resource No. ID of the terminal using the one-number-multiple-terminal service, valid for H.263 only.
Show DefaultValue
Uses the default start number, end number andnumber length.
5. Click the OK button to finish configuration.
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Caution:
For IAD device interconnection of MGCP protocol, it’s only nec-essary to configure MG Resource Type to 4-subscriber circuitindexed by NOC, NOC indicates the TIDNAME of index, MGresource adopts alln/0 to alln/9.
END OF STEPS
Result Configure TID NAME successfully.
Checking the Interconnection Result
Introduction Check whether both interconnection parties can communicate witheach other and carry on the business successfully after configuringinterconnection data.
Physical Check In the NetNumenN31 interface, right-click the SS NE, and selectDiagnose Management in the shortcut menu, then select In-stant Test > Net Detect in the popup interface, finally click theDetect button.
Result: Accessibility of physical connection is as shown in Figure36.
FIGURE 36 ACCESSIBILITY OF PHYSICAL CONNECTION
Command Mode Right-click the SS NE, and select Command Line Terminal to en-ter CLI Console interface, enter command 5004:Module num-
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ber to query TG node status (Module number=the IAS node’s SPCLSQ-2), if the reply contains: MG STATE is IN SERVICE, Figure37 indicates the interconnection is successful.
FIGURE 37 SUCCESSFUL INTERCONNECTION
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Figures
Figure 1 IAD Location in NGN Simple Architecture................... 2
Figure 2 IAD Series-I508A ................................................... 3
Figure 3 H.248 CONNECTION MODEL EXAMPLE....................... 4
Figure 4 CONFIGURATION FLOW DIAGRAM ............................ 5
Figure 5 The Data Configure Window..................................... 7
Figure 6 ZONE Basic Properties Configuration ......................... 7
Figure 7 DATA AREA CAPACITY CONFIGURATION ...................10
Figure 8 ADD DATA AREA CAPACITY CONFIGURATION ............10
Figure 9 Data Area Capacity Configuration 2 .........................12
Figure 10 Zone and Card Configuration.................................14
Figure 11 Adding Zone&Card Configuration ...........................14
Figure 12 6-IAD Property Configuration Dialog Box ...............16
Figure 13 BROWSE MG CONFIGURATION MODEL ...................17
Figure 14 ADD MG CONFIGURATION MODEL .........................18
Figure 15 Configuring the Timer Properties ...........................20
Figure 16 Configuring the Additional Properties......................22
Figure 17 The SIP Property1 Tab..........................................24
Figure 18 The SIP Property2 Tab..........................................28
Figure 19 Adding Zone Tone Resource Distribution .................31
Figure 20 IAD NODE WINDOW ............................................32
Figure 21 IAD NODE DIALOG BOX .......................................33
Figure 22 ADD IAD NODE-DEVICE PROPERTY ........................35
Figure 23 Add Property Template Configuration......................38
Figure 24 The TDM Prop Tab ...............................................40
Figure 25 The RTP Property Tab...........................................41
Figure 26 The SDP Property1 ..............................................43
Figure 27 The SDP Description Information ...........................43
Figure 28 Package Template Configuration Window ................45
Figure 29 Add Packet Template Window................................46
Figure 30 Configure TID Default Properties Window................49
Figure 31 Add Default Properties Window..............................50
Figure 32 Default Property Configuration Completion..............51
Figure 33 TID NAME CONFIGURATION WINDOW....................52
Figure 34 ADD TID NAME WINDOW......................................53
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Figure 35 Adding a RTP TIDNAME of the IAD .........................54
Figure 36 ACCESSIBILITY OF PHYSICAL CONNECTION............55
Figure 37 SUCCESSFUL INTERCONNECTION..........................56
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Tables
Table 1 IAD Data Planning ................................................... 6
Table 2 SUMMARY OF PARAMETERS FOR IAD ZONE ................. 8
Table 3 Configuration Parameters-The Capability1 Tab ............11
Table 4 Parameter Description-the Capability2 Tab .................12
Table 5 BASIC PROPERTY CONFIGURATION OF MG STATIC
TEMPLATE.........................................................18
Table 6 TIMER PROPERTY CONFIGURATION OF MG STATIC
TEMPLATE.........................................................21
Table 7 TIMER PROPERTY CONFIGURATION OF MG STATIC
TEMPLATE.........................................................22
Table 8 Parameter Description-SIP Property 1........................25
Table 9 Parameter Description-SIP Property 2........................28
Table 10 Parameter Description-Adding Zone Resource
Distribution.......................................................31
Table 11 Parameter Description-IAD Properties ......................33
Table 12 IAD NODE CONFIGURATION ...................................35
Table 13 Event Property .....................................................39
Table 14 TDM Property .......................................................40
Table 15 Parameter Description-RTP Properties ......................41
Table 16 Parameter Description-Other SDP Properties.............44
Table 17 Add New Package Template ....................................46
Table 18 Common Packet Template Meanings ........................47
Table 19 Add Default Properties of Different Device Type.........50
Table 20 TID PARAMETERS ILLUSTRATION ............................53
Table 21 ADD TID NAME (2)................................................54
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Glossary
AG- Access Gateway
CAS- Channel Associated Signaling
GW- Gate Way
IAD- Integrated Access Device
IETF- Internet Engineering Task Force
IP- Internet Protocol
ITU-T- International Telecommunication Union-Telecommunication Stan-dardization Sector
MG- Media Gateway
MGC- Media Gateway Controller
MGCP- Media Gateway Control Protocol
NGN- Next Generation Network
PBX- Private Branch Exchange
PSTN- Public Switched Telephone Network
RTP- Real-time Transport Protocol
SPC- System Protocol Control (card)
SS- Soft Switch
TDM- Time Division Multiplexing
TG- Trunk Gateway
VoIP- Voice over Internet Protocol
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