Managing Ddis; Configuring A Ddi - Avaya CS7000 Administrator's Manual

Managing DDIs

Direct Dial Inward (DDI) numbers provide a block of telephone numbers for calling into the
private branch exchange (PBX) system of a company. Using DDIs, a company can offer its
customers individual numbers for each person or workstation within the company. DDIs do not
require a physical line into the PBX for each possible connection.
You can buy DDIs from your Communications Service Provider.
As a CRS System Administrator, you must set up separate DDIs for each conference type. DDIs
are limited to 10 digits.
When you set up DDIs, you can associate them with telephone numbers. For example, you can
associate a DDI with multiple telephone numbers, such as, an internal number, an external
number, and a toll free number. Similarly, you can associate a single telephone number with
multiple DDIs. In this way, a single telephone number can access several conferences.
When you create a new DDI, you enter a description for the DDI. Operators can view this textual
description on the Avaya Operator Console, using the View Format menu.
When the system sends conference details to conferees, the system displays the telephone
number, rather than the DDI. The system displays the DDI if there is no associate telephone
number. For more information, see
This section describes how to manage DDIs. Managing DDIs consists of adding, editing, and
deleting DDIs. This section also describes some questions to help you decide which DDI to
associate with a particular conference. It also describes the DDI fields on the Add, Edit, and
Delete dialogs. It contains the following sections:

Configuring a DDI

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DDI Fields
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Creating a new DDI
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Editing an existing DDI
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Deleting an existing DDI
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Configuring a DDI
When you associate a DDI with a conference, consider the following questions:
What type of conference service are you providing?
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What is the primary language of your conferencing audience?
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Does the conference require a moderator?
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Are you creating a demand conference?
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Do you want the participant to bypass second level security and enter the conference
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directly?
CS7000 System Administrator Guide for Release 9.4
Managing Telephones on page 102.
January 2006
Managing DDIs
95