Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual download pdf (Page 61)

Dialing plan set-up 61

Nortel Business Communications Manager 5.0

Planning and Engineering

NN40170-200 01.03 Standard

August 2009

Private network national access code

This number is prepended to an incoming E.164/ National call (10 digits in

North America). This is not directly related to the private access code.This

applies for MCDN connections only.

Private network special access code

This number is prepended to an incoming E.164/ International or Private/

Special call. The incoming international call is not prepended with 011.This

applies for MCDN connections only.

Access for system egress calls

This section describes access for system egress calls.

External codes, ATA and analog devices

Devices connected to the system through an ATA can have connectivity issues

over BRI/PRI lines. To alleviate this, you can specify the type of device

attached to the analog line.

Modem supports 3.1 kHz audio, which requires a higher quality of service on

the ISDN trunks that modems and FAX machines require for reliable

information transfer. If the trunks cannot provide the higher level of service, the

call fails.

Telephone supports speech paths, which require less quality on the trunk; if

used for FAX and/or modem, information transfer is unreliable.

Telephones use pool codes and destination codes to dial externally, because

when the analog device goes off hook, it seizes internal dial tone from the

system. The external access code, is either a line pool code, or destination

code assigned to your system dialing plan.

Line pool access codes

Line pool access codes allow you to assign an access code for each of the

basic line pools (A to O). These codes specify the line pool for making an

outgoing external call. Up to three digits in length, these codes do not allow

any other routing programming. The user simply dials the code in front of the

dial string. The system, in turn, deletes the entire code before sending the call

out over the appropriate route.

If you need a more complex routing arrangement, you need to specify routes

and destination codes, which allows you more flexibility in terms of dial strings,

routing schedules, and routing restrictions.

Destination codes

This number precedes a telephone number to tell the system where the call

needs to be routed. An A in the destination code represents an any character

designation. The A code is a wildcard.

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Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual Page 61

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