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Preventing Ghost Calls

 I am coming from using exclusively Polycom. So I am learning about the Snoms.


Once thing Polycom had was a function in provisioning to prevent GHOST CALLS. Essentially forcing all incoming calls to a device to come exclusively from a the host server IP only.

Does snom offer this functionality?


Also known as "requestvalidation" or "request validation".


Best Answer

Dear John,


This parameter is the one you need to set to avoid this issue


https://service.snom.com/display/wiki/filter_registrar 


When it's set to "on" (which it is by default for security reasons), all SIP packets not coming from the registrar/proxy will be ignored.


Gianmaria


1 Comment

Answer

Dear John,


This parameter is the one you need to set to avoid this issue


https://service.snom.com/display/wiki/filter_registrar 


When it's set to "on" (which it is by default for security reasons), all SIP packets not coming from the registrar/proxy will be ignored.


Gianmaria


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