How to enable Secure RTP (SRTP)
The BuddyTalk product supports Secure RTP (SRTP). To enable SRTP, log in to the web console and navigate Telephony > Port Config.
Note that there are two key negotiation protocols for the SRTP: ZRTP and SDES. The SDES key negotiation protocol is available when TLS is chosen as the SIP signaling transport protocol. To select TLS as the SIP signaling transport protocol: Telephony > Profile Config.