[OpenSIPS-Users] UpenSIPS and sips

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Oct 15 12:26:13 CEST 2008

Hi Iñaki,

This behaviour  will be no longer valid - SIPS will force secure 
transport on all segments (see the email to Klaus on the topic).


Iñaki Baz Castillo wrote:
> El Lunes, 6 de Octubre de 2008, Olle Frimanson escribió:
>> It works fine which is expected, but when I use
>> sips:a at domain.com;transport=tls
>> It also works, but my understanding was that this call should fail.
>> What are we doing wrong in this case?
> It's correct per RFC 3261.
> When B sends the INVITE to sips:a at domain.com;transport=tls it means:
> - B uses TLS **until** the proxy responsible of the destination domain 
> (domain.com).
> - The proxy responsible for domain.com receives the request for the AoR 
> a at domain.com and finds it in the location service, getting the Contact 
> location where a at domain.com is registered.
> - This Contact can be sip, sips or whatever.
> Of course, the proxy could have a *local* policy to disallow routing calls 
> insecurely (sip) to local users if the original request asked for a SIPS 

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