Auerswald COMpact 5200 Advanced Information page 412

Settings – Réseaux publics
Indicatif

The PBX automatically distinguishes for each subscriber between
internal and external numbers by analysing the digit sequence and the
adjustment of the dialled phone number with the internal numbering plan.

The exchange line request type can be set separately for each
subscriber.
Code d'accès à la ligne principale
Requirements:
• Configured prefixes (country prefix and local area code)
• Automatic exchange line request disabled
Is required to request an external line (exception: direct exchange access
and automatic exchange line request).
Note:
An available external line is indicated by the external dial tone after the
exchange line access number has been dialled. The external number
can then be dialled.
The factory setting for the exchange line access number on the PBX is
0. This number is not effective at first because automatic exchange line
request is active in the factory settings.
Changing the exchange line access number is only meaningful if
another exchange line access number is normally used (e.g., in
England).
Note that changing the exchange line access number restricts the phone
numbering plan.
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COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018