Handling incoming calls

The telephone numbers of incoming calls are translated differently depending on the SIP or ISDN subscriber criteria and whether automatic outside line access is active or not.

The calling party ID is changed depending on the following parameters:

The activation of automatic outside line access is taken into account by configuring the prefixes appropriately:

The calling party ID is only supplemented if the incoming call has a calling party ID. If the calling party ID is blank, no prefix is attached.

It is modified as follows:

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