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IP PHONE 7945G and 7965G integration to SIP Proxies using TLS and SRTP

Hi guys,


I am aware that the iphones 7945G and 7965G support TLS and SRTP, when using SIP signaling and integrating with CCM.


I do however wish to integrate them with an opensource SIP proxy such as kamailio, which in turn is integrated with Asterisk.


Is this possible, as I have seen in previous documentation that a CTL file is required, which contains details from Call manager.

I have TFTP up and running, and the handsets work well with kamailio using UDP and TCP, I just want to get TLS working.


In the phone configuration file on the TFTP server I am modifying the following parameters;





Which I believe will allow for Encryption and TLS as transport.


Can anyone let me know if its possible to integrate with another SIP proxy other than call manager using TLS please?

Many thanks





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