abacus quick tips
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Analyze Assure Accelerate
1
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Abacus Overview and QuickStart
Carl Lee
Systems Engineer
Thursday, May 19th, 2005
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Cisco Account Team
http://spirent.dnsalias.com/
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Spirent Campus - SCPE
http://spirentcampus.com
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Agenda
• What is Abacus? What can it do?
• Abacus Product Family Abacus1 / Abacus2 / Abacus5000
• Abacus5000: Hardware Chassis / Modules / Interfaces
• Lab 1: Demo Mode – Virtual System Getting Familiar with the GUI
• 5 Easy Steps to Configuring a Test
• Example of a Converged Test PRI to SIP Call Analyzing Results
• Customer Specific Test Applications
• Lab 2: Peer to Peer SIP Testing
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Abacus 5000•What can you do with the Abacus?
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IP Telephony with Spirent Abacus
Key Test Areas Interworking of legacy and converged networks
Functional, conformance, interoperability, scalability, performance
Voice quality, with or without the presence of data
Unique Attributes
All essential IP Telephony and PSTN media types, protocols, and interfaces in a single system
Integrated, real-time results for all performance, conformance and functional tests
Extremely high capacity with 100% voice quality coverage
Spirent provides a single-system solution to test the migration from legacy to converged networks
Spirent provides a single-system solution to test the migration from legacy to converged networks
Spirent Abacus 5000Spirent Abacus 5000
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Converged Networks: Abacus 5000
PSD NPSD N
ATMATM
PSTNPSTN
SS7SS7
PLM NPLM N
H .323H .323
SIPSIP
Soft Soft SwitchSwitch
xDSLxDSL
DSL DSL ModemModem
WirelessWirelessRouterRouter
PCPC
SIP PhoneSIP Phone
CableCable
GR303GR303 or V.5or V.5 IP PhoneIP Phone
LANLAN
WirelessWirelessRouterRouterPCPC
Analog PhoneAnalog PhoneModemModem
IADIAD
PCPC
PCPC
FAXFAX
2W2WAnalogAnalogH.323H.323
PhonePhone
H.323 H.323 TerminalTerminal
H.323 H.323 VideoVideo
IDTIDT
MobileMobilePhonePhone
PBXPBX
T1/E1T1/E1PRAPRA
CASCASE&ME&M
FAXFAX
POTSPOTS
AnalogAnalog
ModemModem
PCPC
EthernetEthernet
Media GatewayMedia Gateway
T1/E1T1/E1ISDNISDNFRFR
SS7 SS7 ServerServer
RDTRDT
STPSTP
TCPTCP
UDPUDP
IPIP
MGCPMGCPH.248 / MegacoH.248 / Megaco
Abacus 5000Abacus 5000Clear channel signaling, and
Fax with T.30 and T.38
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What Can You Do with Abacus?
Test these DUTs
•IP PBX
•Gateways
•IP Phones
•Servers
•Firewalls
•IAD
Type of Tests
•Functional
•Troubleshooting
•Interoperability
•Conformance
•Scalability
•Voice quality
Payload Types
•Voice
•FAX
•Modem
•Tones
•Video
With these protocols
IP
•SIP
•SCCP (Skinny)
•H.323
•MGCP
•Megaco/H.248
•NCS
•SIP-T
•SIGTRAN
PSTN
•CAS
•PRI
•SS7
•NFAS
•V5
•GR303
With these interfaces
•Gigabit Ethernet1000Base-SX/LX
10/100/1000Base-T
•Analog (FXO & FXS)
•T1/E1, T3/E3
Test these DUTs
•IP PBX
•Gateways
•IP Phones
•Servers
•Firewalls
•IAD
Type of Tests
•Functional
•Troubleshooting
•Interoperability
•Conformance
•Scalability
•Voice quality
Payload Types
•Voice
•Fax
•Modem
•Tones
•Video
With these protocols
IP
•SIP
•SCCP (Skinny)
•H.323
•MGCP
•Megaco/H.248
•NCS
•SIP-T
•SIGTRAN
PSTN
•CAS
•PRI
•SS7
•NFAS
•V5
•GR303With these interfaces
•Gigabit Ethernet1000Base-SX/LX
10/100/1000Base-T
•Analog (FXO & FXS)
•T1/E1, T3/E3
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Abacus Product Family
Spirent Communications is first to market with an integrated IP Telephony and PSTN Telephony test
system in a single platform.
The Abacus Product Family provides a compelling value proposition by delivering
integrated functionality for IP Telephony and traditional PSTN Telephony
Abacus2TM
Abacus1TM Abacus 5000
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Abacus 5000•Chassis and Modules
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Abacus5000: Hardware - Chassis
Abacus 5000• 3 Slot Rack Mountable System
• 13 Slot Rack Mountable System
• 4 Slot Portable System
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Abacus5000: Hardware – Modular Cards
• Abacus5000 Card Types Analog
• ECG3 and XCG3
TDM
• PCG3 4/14/28 and TCG3
IP
• ICG3, CTM5000, and ACT-5000
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Abacus5000: Hardware – Analog
• Abacus5000 Card Types Analog
• ECG3
• XCG3
Interface Type
• FXO
• FXS
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Abacus5000: Hardware – PCM
• Abacus5000 Card Types PCM
• PCG3
4 Circuit
14 Circuit
28 Circuit
• TCG3
Interface Type
• DS1 - T1 / E1
• DS3 - T3 / E3 / G.747
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Abacus5000: Hardware – IP
• Abacus5000 Card Types IP
• ICG3
• CTM-5000
• ACT-5000
Interface Type
• 10/100/1000Base-T
• 1000Base-SX/LX
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Abacus 5000•Lab 1: Demo Mode – Virtual System
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Lab 1: Demo Mode
• Launch Application Start Menu
• Programs
Abacus 5000
• 3.0 Abacus Demo
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Lab 1: Demo Mode
• Create a Virtual System View | System Information
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Abacus 5000•5 Easy Steps to Running a test
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‘5 Easy Steps’ to configure and run a test using the Abacus 5000
1 2 3 45
1. Protocol Selection
- Circuit type, Channel type, Protocol Type
2. Phone Numbers
- Phone numbers for call routing
3. Channel and Path Confirmation
- Path confirmation type, Tone levels, Switch and Terminating Side variances
4. Partition and Timing
- Scripts to run on each group, and Call time parameters
5. Starting and Stopping a Test
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Step 1A. Protocol Selection: Card
• Slot # in chassis
• Type of Card (*ICG3, *PCG3, ECG3)
• Signalling(SIP, H323, CAS, *ISDN, GR-303, SS7, V5.1, V5.2)
• Physical (*ICG, *T1, E1)
*Blue italicized word indicates selected option used in this example
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Step 1A. Protocol Selection: CardContinued
• Side (Subscriber, Exchange, Switch)
• Law (u-law, A-law)
• Line (B8ZS, HDB3, AMI)
• Framing (ESF, D4, 2 Frame, 16 Frame, 16 Frame CRC)
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Step 1B. Protocol Selection: Channels
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Step 1C. Protocol Selection: ICG
• Configure ICG Setting Channel Quantity (Number of
Channels to be tested) – 23 Ethernet Mode to match the SUT
(Auto, Full 1000, Full 100, Full 10, Half 100, Half 10). The following are valid settings
Abacus SUT
Auto Auto
Auto HD
HD HD
FD FD Subnet Mask of Host –
255.255.255.0 IP Address of on Host –
192.168.1.192 IP Address of Gateway on Host if
present– 192.168.1.1
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Step 2A. Phone Numbers: PRI T1 Ex
1. Own Phone Numbers• Addresses of channels
associated with selected tab
• Available for subscriber, exchange, or switch channels
• One phone number is associated with each channel on Abacus 5000
• Sequential, 4155551001
2. External Phone Numbers • Destination numbers that will
be dialed by the associated channels
• Available for subscriber or exchange channels
• One phone number is associated with each channel on Abacus 5000
• File, Trunkgateway.phn (Phone Book)
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Step 2A. Phone Numbers: PRI T1 Ex Continued
1. Select Phone Book type: Sequential or File
Sequential Phone Numbers -- specify start number
File --Used for non-sequential phone numbers, multiple area code, special IP Addressing.
2. Defines how each number applies to each line
Each channel – Separate phone number for each Channel
Each Circuit – Same phone number for entire circuit (Hunt Group)
3. Put checkmark if duplicate phone numbers allowed in files (e.g., for ACD groups)
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Step 2B. Phone Numbers: SIP
Own Phone Numbers Addresses for Abacus SIP
endpoints associated with selected tab – Sequential user name 4085551001
External Phone Numbers Addresses that each SIP endpoint will call
during a test – Sequential user name 4155551001same IP, 192.168.1.193
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Step 3. Channels: Path Confirmation
• Checks for continuity of speech path
• Five methods of Path Confirmation provide choice of schemes for each interface (Select one scheme)
– Tones
– 3-tone – 404 Hz, 1004 Hz, 2804 Hz
– Resilient – Measures Minor Interruptions in Test Tone
– Digital (PRBS) – 2 11 -1 = 2047 Pattern, 2 15 -1 = 32767 Pattern
– QoS
– PSQM / PSQM+ (ITU P.861)
– PESQ / PESQ-LQ (ITU P.862)
– Estimated MOS, JMOS, and R-Factor
– Packet
– Voice (Wav Files)
– Video (H.261 and H.263)
– Fax and Modem
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Step 3A. Channels: Path Confirmation, PRI T1 or SIP, Basic
Available Options• None• Physical Address• Tones
• 3-tone – 404 Hz, 1004 Hz, 2804 Hz
• Resilient – Measures Minor Interruptions in Test Tone
• Digital PRBS (Pseudo Random Bit Sequence)
211 -1 = 2047 Pattern
215 -1 = 32767 Pattern
Note: In this example no options are selected on the Basic tab. Options are selected on Advanced tab.
Select Apply to all after selection is made
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Step 3A. Channels: Path Confirmation, PRI T1 or SIP, Advanced -- Continued
Select wave file to be sent – f_nice
Select wave file to be sent Simplex (one direction at a time) or Duplex (both directions at the same time)
Select Apply to all after selection is made
Select Voice QOS Measurement Method – QOS, PSQM
Packet available only on ICG
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Step 3B. Channels: Tones, PRI T1 or SIP
• Determines the criteria that tones sent from the SUT must meet in order for Abacus to recognize them
• Determines the signal characteristics of tones sent by Abacus to the System Under Test
• Default values are selected
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Step 3D. Channels: QOS
Specifies Threshold for PSQM and PESQ Measurement – 4.0, 1.0
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Step 4A. Partition and Timing: Association Continued
•Channel configuration is how the channels of a set are assigned in terms of originate and terminate channels
–Originate Channels are designated by ‘O’
–Terminate Channels are designated by ‘T’
– SIP Side – all originate
–PRI T1 – all terminate
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Step 4B. Partition and Timing: Timing and Scripts
Timing Parameters
•ST: Start – 10s
•SS: Start to Start – 3s
•CL: Call Length – 60s
•IC: Inter-Call – 20s
•CC: Call to Call – 80s
•BHCA: Busy Hour Call Attempts
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Step 4B. Partition and Timing: Timing and Scripts – Continued
Abacus ‘Help’ provides details for partition and timing setup.
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Step 4B. Partition and Timing: Timing and Scripts – Continued
• Default Scripts are provided – A call B (SIP) and confirms for Call Length
•A script consists of one or more actions that are created or edited in the Scripts Management window
•Select Script to open Script Management window
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Step 5A. Starting and Stopping a Test:Set Test Duration
• Continuous (until user stops)• Run for Hours/ Minutes• Run Until Date/ Time• Run for X Number of Scripts
Test Duration
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Step 5B. Starting and Stopping a Test: Starting the Test
Successful Compilation; Start of Test
•All Scripts and Parameters Compile when the test is started
Start Test
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Step 5C. Starting and Stopping a Test: Stopping the Test
• Start time and date• End time and date• Test duration• Script per channel counter• Channels Status
After the test has stopped
Stop Test
Immediate StopTest Status
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Abacus 5000•Example: Converged PSTN to VoIP Call
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IP Telephony Deployment
• Deployment and Inter-working PSTN Phone to PSTN phone over traditional PSTN Telephony PSTN Phone to PSTN phone via IP Telephony PC/IP phone to PSTN Phone PC/IP phone to PC/IP phone
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Converged Networks
PSD NPSD N
ATMATM
PSTNPSTN
SS7SS7
PLM NPLM N
H .323H .323
SIPSIP
Soft Soft SwitchSwitch
xDSLxDSL
DSL DSL ModemModem
WirelessWirelessRouterRouter
PCPC
SIP PhoneSIP Phone
CableCable
GR303GR303 or V.5or V.5 IP PhoneIP Phone
LANLAN
WirelessWirelessRouterRouterPCPC
Analog PhoneAnalog PhoneModemModem
IADIAD
PCPC
PCPC
FAXFAX
2W2WAnalogAnalogH.323H.323
PhonePhone
H.323 H.323 TerminalTerminal
H.323 H.323 VideoVideo
IDTIDT
MobileMobilePhonePhone
PBXPBX
T1/E1T1/E1PRAPRA
CASCASE&ME&M
FAXFAX
POTSPOTS
AnalogAnalog
ModemModem
PCPC
EthernetEthernet
Media GatewayMedia Gateway
T1/E1T1/E1ISDNISDNFRFR
SS7 SS7 ServerServer
RDTRDT
STPSTP
TCPTCP
UDPUDP
IPIP
MGCPMGCPH.248 / MegacoH.248 / Megaco
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Off HookDial #
Dialed Digits
ConfigureConfigure
ConnectConnect
Notify
Ring Off HookHello
Hello
Voice Conversation
Good Bye
Good ByeOn Hook
On Hook
Disconnect
Configure
Signaling Path
Ring Back
IP Telephony - Converged Network TestingExample: High Level Call Setup and Termination Procedure
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Example: Abacus Configured as a Subscriber and an Exchange
Subscriber
Analog, digital or IP Telephony Device
Gateway
Exchange
Analog, Digital Line (T1/E1,T3/E3), Ethernet
Digital Line (T1/E1,T3/E3) SUT
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Abacus 5000•Monitors and Results
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Analyze: Audio Monitor
• Audio Monitor Tap into any bearer
channel
Streams to your PC Speakers
Save to File
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Analyze: VoIP Signaling Monitor
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Analyze: Data Link Monitor
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Results: Statistics
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Results: Variances
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Results: Graphs
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Results: Formatted Report
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