Alcatel-Lucent OmniPCX Office, Installation Manual

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: Used to choose one of the pre-programmed numbering plans: (2 to 4
digits, national or with *).
Any modification of the numbering plan causes the deletion of any existing DDI
numbers.
6.1.1.5 TERMINAL DDI NUMBERS
This function is used to define the DDI numbers (Direct Dialing Inwards) of all the terminals of
a Business system and the Administrative terminals (dedicated terminals) of a Hotel system.
Only one DDI number can be attributed to each internal directory number.
Access to the definition of terminal DDI numbers; displaying the first
internal directory number/DDI number.
The direct number includes up to 8 digit and can be modified (the cursor is placed at the start
of the field). The DDI numbers are generally the last 3 or 4 digits of your call numbers; the
public operator will let you know the range of numbers that has been assigned to you.
+
6-3