Setting The Trunk Prefixes - Avaya IP500 Installation Manual

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5.8 Setting the Trunk Prefixes

Where a prefix has been implemented for outgoing calls, that same prefix needs to be added to trunk settings. The prefix

is then used as follows:

· On incoming calls the prefix is added to any incoming ICLID received with the call. That allows the ICLID to be used

by IP Office phones and applications to make return calls.

· On outgoing calls, the short codes used to route the call to a trunk must remove the dialing prefix.

1. Within the IP Office configuration, select

2. For each line enter the prefix. The location of the relevant setting varies for each trunk type.

· Analog Trunks

· T1 and T1 PRI Trunks

IP500/IP500 V2 Installation

IP Office 8.0

15-601042 Issue 25i (03 January 2013)