Auerswald COMpact 5200 Advanced Information page 216

Functions, Uses, Concepts
VoIP/GSM Routing
The PBX uses fixed network connections to handle emergency calls as
a priority (i.e. calls made to the phone numbers specified in Réseaux
publics > Appels d'urgence as well as the automatic alarm calls made
by the PBX.
The special numbers provided by the VoIP provider, for checking one's
account status or mailbox, for example, usually do not include a local
code. It is not possible to route numbers via the exception table. In order
to correctly dial these phone numbers, use targeted exchange line
assignment with the account number (targeted VoIP access point). Alter-
natively, you can enter such numbers as service numbers under Public
swichted tel. networks > Appels d'urgence > Numéros de service.
If no particular connection has been selected for door-to-external calls
the routing is performed depending on the destination number.
For Call Through calls, the routing performed is dependent on the desti-
nation number, if the special exchange line settings do not prevent this
(e.g. exchange line authorisation only to selected connections, preferred
exchange line, call restrictor).
If routing has been enabled for call forwarding for external numbers, the
routing performed is dependent on the destination number.
For call forwarding for subscribers and groups, the routing performed is
dependent on the destination number.
When you dial one of the local numbers (phone number without a prefix)
listed in the exception number table over a VoIP access point, the PBX
automatically converts the phone number as specified under
Présentation du numéro de téléphone (appels sortants) for the VoIP
provider.
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COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018