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IP Office Basic Edition - Basic Edition Manager R11.1

This menu is accessed from the System page by selecting Update Trunk Configurations.

This menu is accessed from the Admin Tasks list by selecting Trunks.

This menu allows setting of advanced trunk settings that normally do not need to be changed. The Channel Setup option give access to a menu for configuring individual channels.

Trunk Parameters

Switch Type: Default = NI2
Options 4ESS, 5ESS, DMS100 and NI2.

Provider: Default = Local Telco
Select the PSTN service provider (AT&T, Sprint, WorldCom or Local Telco). When set to AT&T, an additional AT & T Provider Setup menu can be accessed from the menu.

Test Number:
Used to remember the external telephone number of this line to assist with loop-back testing. For information only.

Send Redirecting Number: Default = Off

Clock Quality: Default = Network
Leave as Network unless advised otherwise by Avaya.

Framing: Default = ESF
Selects the type of signal framing used (ESF or D4).

CRC Checking: Default = On
Turns CRC on or off.

Zero Suppression: Default = B8ZS
Selects the method of zero suppression used (B8ZS or AMI ZCS).

CSU Operation:
Tick this field to enable the T1 line to respond to loop-back requests from the line.

Line Signaling: Default = CPE
The field can be set to either CPE (Customer Premises Equipment) or CO (Central Office). This field should normally be left at its default of CPE. The setting CO is normally only used in lab back-to-back testing.

Haul Length: Default = 0-115 feet
Sets the line length to a specific distance.

Channel Unit: Default = Foreign Exchange
This field should be set to match the channel signaling equipment provided by the Central Office. The options are Foreign Exchange, Special Access or Normal.


Dial Plan

The dial plan is used to apply number translations to the digits received by the line for output to the line provider and to indicate any special service required from the line provider, for example to withhold the call ID. The default dial plan is as shown below.

Dialled Number





























Explicitly not Anonymous



Call Anonymously



Performance figures, data and operation quoted in this document are typical and must be specifically confirmed in writing by Avaya before they become applicable to any particular order or contract. The company reserves the right to make alterations or amendments at its own discretion. The publication of information in this document does not imply freedom from patent or any other protective rights of Avaya or others. All trademarks identified by ™, ® or © are registered trademarks or trademarks respectively are the property of their respective owners.

© 2020 AVAYA
Issue 10.a.–
Thursday, July 23, 2020