pr voip network architecture and call flows presentation en xg
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8/4/2019 Pr Voip Network Architecture and Call Flows Presentation en Xg
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VoIP provided by Verizon Business Services. All services may not be available in all areas. © 2006 Verizon. All Rights Reserved.
Verizon Voice over IP (VoIP)Verizon Voice over IP (VoIP)
Network Architecture and Call FlowsModuleNetwork Architecture and Call FlowsModule
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The Verizon and Verizon Business names and logos and all other names, logos, andslogans identifying Verizon’s products and services are trademarks and service marks orregistered trademarks and service marks of Verizon Trademark Services LLC or itsaffiliates in the United States and/or other countries. All other trademarks and servicemarks are the property of their respective owners.
PROPRIETARY STATEMENT
This document and any attached materials are the sole property of Verizon and are not to beused by you other than to evaluate Verizon’s service.
This document and any attached materials are not to be disseminated, distributed, or otherwiseconveyed throughout your organization to employees without a need for this information or to
any third parties without the express written permission of Verizon.
8/4/2019 Pr Voip Network Architecture and Call Flows Presentation en Xg
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SIP ApplicationServers
Verizon VoIP Customer ArchitectureVerizon VoIP Customer Architecture
NetworkGateway
PSTNPhone
PSTNPhone
T1/DSL
Customer PremisesLook! No PBX!
LAN
PSTNPhone
PSTNPhone
Router/Gateway
RedirectServers
Customer Premises
LAN
SIP Phone
SIP Phone
Verizon
Switchnet
IBM Voicemail
Firewall
SIP Phone
SIP Phone
IntegratedRouter/Firewall
with QoS
PBX
NetworkSIPServers
Verizon DataCenter
Internet orPrivate IP
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IDA
PSTNPhone
On-NetDSL
VoIP Network ArchitectureVoIP Network Architecture
IASA Web-Based OperationsSupport System
VerizonInternet
PrivateIP
DSL
CustomerNetwork
LocalGateways
NS(SIP Server)
RS(Redirect Server)
BroadsoftServers
IBMMessageCenter
VerizonSwitchnet
Juniper ERXw/QoS
Blizzard CardCisco Edge
Router
PSTNPhone
NetworkGateways
VoicemailGateways
Verizon VoIPInterconnect
Node
Customer
CustomerCustomer
Customer Customer
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Web-BasedOperations
Support System
Animated Call Path: IP Phone to IP PhoneAnimated Call Path: IP Phone to IP Phone
Customer PremisesCustomer Premises
NetworkGateway
IPPhone
LAN
SIP Signaling
Voice Path
Verizon
Switchnet
RedirectServer
SIPServers
PSTNPhone
T1/DSL IPPhone
LAN
VerizonData CenterIP Network
Internetor
Private IP
IntegratedRouter/Firewall
with QoS
IBM Voicemail
Integrated
Router/Firewallwith QoS
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Customer PremisesCustomer Premises
Animated Call Path:IP Phone to PSTN PhoneAnimated Call Path:IP Phone to PSTN Phone
Web-BasedOperations
Support System
IPPhone
LANIP
Phone
LAN
SIP Signaling
Voice Path
PSTNPhone
T1/DSL
RedirectServer
SIPServers
NetworkGatewayIntegrated
Router/Firewall
with QoS
IBM Voice Mail
Integrated
Router/Firewallwith QoS
Verizon
Switchnet
VerizonData CenterIP Network
Internetor
Private IP
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SIP Phone RegistrationAssociates the Phone With an IP Address
SIP Phone RegistrationAssociates the Phone With an IP Address
4
3
OK
REGISTER sphone-cck-117@ns1to location 116.34.10.18
REGISTER etc.
Network
Server
Redirect Server
1
OK2
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IP Phone to IP Phone CallingSIP Signaling Is Used to Establish the Call
IP Phone to IP Phone CallingSIP Signaling Is Used to Establish the Call
INVITE [email protected]
Default for [email protected] sphone-cck-117@ns1,which is registered at 116.34.10.18
Subsequent packetizedvoice (RTP) path
Subsequent signaling path
Redirect Server
Network
Server
5
4
3
1
2INVITE...
SIP PhoneSIP Phone
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Using SIP to Terminate to the PSTNUsing SIP to Terminate to the PSTN
INVITE...300-MultipleChoices, X, etc.
INVITE 19727291234@X...
Subsequent packetizedvoice (RTP) path
Subsequent signaling path
512-1234 > 19727291234Network-gwy-IP-addr X, etc.
INVITE 512-1234@…VIA Z...
Class 3 Switch
9727291234
Network
IP Com GWY
X
Enterprise
IP Com GWY
Z
5
4
3
1
2
Redirect Server
Network
Server
PBX
512-1234
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For More InformationFor More Information
• To speak to a Verizon Representative about whether Verizon VoIP is right
for your business:
– Fill out a consultation form athttp://mediumbusiness.verizon.com/products/voice/ip_centrex.aspx
Or
– Call 1-800-201-1452, press 2