Avaya BCM 4.0 Networking Guide de configuration télécharger pdf (Page 261)

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Chapter 24 Dialing plans 261

BCM 4.0 Networking Configuration Guide

Using the Received # length

If you change the DN length of your system, you may need to change the Received # length.

Private and public networking, and the access codes to determine a route for an incoming call over

an auto-answer trunk.

On systems running the DID telephony template, the Private and Public Received # length is set to

the same length as the DN length for the system. On systems running the PBX telephony template,

the Private and Public Received # length default to 3, unless the DN length is changed during the

Startup procedure.

These digits identify target lines (“Processing incoming calls” on page 261), Auto DNs, and DISA

DNs.

The received number can be shorter if network or central office constraints require this. This

number cannot be greater than the system DN length on a networked system using a coordinated

dialing plan (CDP) or a universal dialing plan (UDP). On a standalone system it is possible that the

received number length would be greater than the DN length.

Processing incoming calls

To process an incoming call:

1 The system receives a call from the public or private network.

2 The system identifies the call type:

Public calls:

• If the call is from the MCDN network and is a local, national, or special call type, the

system prepends the appropriate access code.

Warning: If your system is running with a PBX telephony template, the Public and

Private received # length are by default 3 (digits) at startup. Increasing the DN length after

system startup does not change these digits, so you will need to manually change the

Public and Private Receive Number length.

Private OLIs are automatically assigned to the DN records if the DN length and the Private

Received Number length are the same. If this changes, the Private OLIs are cleared, or are

not assigned (PBX template).

Network note: If your system is part of a private network, ensure that you confirm the

dialing plan for the network before changing this length. If you change the length, ensure

that you check all DN-related settings after the change.

Warning: Decreasing the received number length clears all programmed received digits

that are longer than the new settings.

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Avaya BCM 4.0 Networking Guide de configuration Page 261

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