5.4.7 Flexible Numbering/Fixed Numbering
Description
To dial another extension user or to access PBX features, the access numbers (extension numbers or feature
numbers) are required.
There are three types of numbering plans:
1. Flexible Numbering (available while a dial tone is heard)
2. Flexible Numbering (available while a busy, DND, or ringback tone is heard)
3. Fixed Numbering (available while dialling or talking)
1. Flexible Numbering (available while a dial tone is heard)
Extension numbers and feature numbers which are available while a dial tone is heard can be customised
for easy use. The numbers must not conflict. It is also possible to use the default settings shown in the
following table.
a. Extension Numbers: Extension numbers consist of leading numbers and additional numbers.
Extension numbers (consisting of "0" through "9") can be assigned as follows:
• Numbering schemes: 1-64
• Leading number: up to three digits
• Additional number: up to two digits (default: two digits)
b. Feature Numbers: A number of up to four digits, consisting of "0" through "9", " ", and "#"
c. Other PBX Extension Numbers (Other PBX Extension Number [TIE] -1 through 16): A number of
up to three digits, consisting of "0" through "9", " ", and "#"
[Flexible Numbering Table (available while a dial tone is heard)]
Feature
Default
Extension Numbering Scheme 1—Leading Number
1 / 2
Extension Numbering Scheme 2—Leading Number
2 / 3
Extension Numbering Scheme 3—Leading Number
3 / 4
Extension Numbering Scheme 4—Leading Number
4 / 1
Extension Numbering Scheme 5–20—Leading Number
None
Extension Numbering Scheme 21—Leading Number
5
Extension Numbering Scheme 31—Leading Number
6
Extension Numbering Scheme 32–64—Leading Number
None
Operator Call
*1
9 / 0
Idle Line Access (Local Access)
*1
0 / 1 / 9
Trunk Group Access
*1
8
TIE Line Access
*1
7
Redial
*1
#
Speed Dialling—System/Personal
*1
Personal Speed Dialling—Programming
*1
30
Doorphone Call
*1
31
542 Feature Manual
5.4.7 Flexible Numbering/Fixed Numbering
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