Deploying VoIP with continuity of TDM services 1

TMG

SCP

INAP

Media Gateway Control Protocol

Call Controller

Announcement

Server

TMG

IP

TDM Switch

TDM Switch

Media Gateway Control Protocol

RMG

IP Phones

TGW: Trunk Gateway

RGW: Residential Gateway

RAS: Remote Access Server

RAS

PBX

Signaling Gateway

SCTP

TDM Switch

TDM Switch

TDM Switch

TDM Switch

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