Francois Audet wrote:
All 5 techniques described in
http://tools.ietf.org/html/draft-wing-sip-identity-media-02#section-4
accomplish that using TLS, DTLS-SRTP, ICE, HIP, or ZRTP -- any of those choices has different tradeoffs.

I'm puzzled by why we would do anything but the DTLS-SRTP (and TLS for TCP 
traffic).

perhaps because zrtp does not require identity which fails to get to
recepient because of SDP changes?

-jiri



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