Avaya BCM50 Konfigurationsanleitung PDF herunterladen (Seite 233)

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101

Chapter 24 Dialing plans 233

Networking Configuration Guide

Calls tandeming to the public network through the private network need to retain their dialing

protocol throughout the private network. This means that

the BCM node receives a call from an

M1 node tagged as a local call and recognizes the call intended for the public network, but also

recognizes the call that needs to maintain the local call tag until it gets to the BCM node that is

directly connected to the PSTN. This is accomplished by ensuring that the destination code, which

starts with this access code, passes the call on using the route designated with the correct call type.

Figure 70 charts this process.

Figure 70 Local call tandemed through BCM nodes

Calls coming in from the public network need to be translated to their private network destination

before routing/tandeming through the private network. In this case, the route used is defined with

the call type of Private.

Local

PSTN

823-2222

Dialout: 9-823-2222

Dialout: <local call>-823-2222

Meridian user

The Meridian system recognizes the call as a local

public call.

Deletes the routing digits.

Tags call as Local call type

Sends out rest of dialout on private network

The BCM Adds Local code to front of called

number: 9-823-2222

Dialout: 9-823-2222

The BCM receives the call. The system

recognizes 9823 as the destination code for the

local PSTN route. Route drops the leading digit

and dials out over the PSTN trunk.

Dialout: [unknown] 823-2222

The system knows 9823 is the route to the next system and

routes the call through private network.

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