pr voip network architecture and call flows presentation en xg

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.

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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

SIP INVITEMary@sip.verizon.com

INVITE sphone-cck-117@116.34.10.18

Default for mary@sip.verizon.comis 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