Howto12r2:Central SIP trunk with multiple subscriber numbers

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Applies To

This information applies to

V12r2 sr6 Build 12.5236 and later.


More Information

In this scenario every customer site is an innovaphone Gateway/PBX providing PBX functionality or Gateway functionality with ISDN PRI BRI or SIP Trunk to a legacy PBX on a location. In stead of having a ISDN or SIP Trunk to the PSTN network on every location, there will be a Central big sip trunk on one location that provides the PSTN access for all other locations. The call routing is made by innovaphone PBX containing e164 node tree with appropriate placed Gateways for each customer location.

Overview

The following diagram shows a simple scenario of a Funnel PBX with N locations providing a central big sip trunk for all sub-locations. The sub-locations provding PBX functionality as wel the gateway-functionality to a legacy PBX for migrations.

Simple e164-scenario Funnel PBX.png


Configuration

System Requirements

Installation

Problem Details

Known Problems

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