Expert Documentation

Chapter 6
The specified number is used as calling or connected party number information in case of any
public /private external outgoing or incoming call on those SIP accesses.
The Alternative CLIP/COLP for SIP operator and GSM gateway can be configured in System
> Numbering > Automatic Routing Selection > SIP Public Numbering.
Called Number Format
The called number format for outgoing calls applies to the user part of the Request-URI and
the To header of INVITE messages.
Two parameters are used to configure the called number format for outgoing calls: Called
Format (Outgoing) and Called Prefix (Outgoing).
The table below shows numbers constructed for different dialed number and the different
possible values of Called Format (Outgoing). In the example, the Called Prefix (Outgoing)
is empty.
table 6.39: Called Number in the To Header According to the Called Format (Outgoing)
Value
Called Format (Outgoing) Value
Number
dialed Canonical International
Undefined
3699
(number in the
same region)
7111234
(number in the
same region)
07111234
(national number
in the same
region)
06541234
(national number)
National / International
National
without intercity
prefix
497113699 00497113699 07113699 7113699 3699
497117111234 0049711711123
4
07117111234 7117111234 7111234
497111234 00497111234 07111234 7111234 07111234
496541234 00496541234 06541234 6541234 06541234
0033123456789 33123456789 0033123456789 0033123456789 33123456789 0033123456789
(international
number)
Incoming Calls
The format of calling and called numbers for incoming calls can be configured.
The calling (or called) format selected has an impact on the way a received number is
interpreted and transformed. The principle is as follows:
- If a received number begins with the International Prefix or the Intercity Prefix (national
prefix), the Calling Format (Incoming) (or Called Format (Incoming)) is not used
- If a received number does not begin with the international prefix or the national prefix, the
number is considered to be of the configured Calling Format (Incoming) (or Called
6-52