Auerswald COMpact 5200 Advanced Information page 649

Evaluation of Incoming SIP Messages
Forces the phone number to be evaluated using the To Header.
Type d'analyse
Par défaut
Selects an evaluation method for phone numbers which will work for most
providers.
Default (using the From Header as a Screened Number)
Selects an evaluation method for phone numbers which will work for most
providers. The user provided number (unscreened number, corresponds
to CLIP no screening) in the "From" header is transferred to the network
provided number (screened number). The phone numbers can be used,
for example, for Call Through via VoIP.
Caution: As soon as you have enabled this option, your phone and
PBX are open to attacks such as the transfer of manipulated phone
numbers.
COMpact 5200/5200R/5500R - Firmware V7.4A - Advanced Information V08 06/2019
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