Re: [Sip-implementors] Optional SRTP in SDP

2010-05-10 Thread Saúl Ibarra Corretgé
Hi, On Mon, May 10, 2010 at 5:16 PM, wrote: > This is one of the primary motivating use cases behind SDP Capability > Negotiation.  See draft-ietf-mmusic-sdp-capability-negotiation-13, soon to > be an RFC. > > Since it isn't a standard yet, the number of existing implementations will > be few, s

Re: [Sip-implementors] Optional SRTP in SDP

2010-05-10 Thread lennox
This is one of the primary motivating use cases behind SDP Capability Negotiation. See draft-ietf-mmusic-sdp-capability-negotiation-13, soon to be an RFC. Since it isn't a standard yet, the number of existing implementations will be few, so you may need other strategies to interoperate with curre

[Sip-implementors] Optional SRTP in SDP

2010-05-10 Thread Saúl Ibarra Corretgé
Hi all, While doing some reading today I got a bit confused about how to express optional SRTP on an SDP. The right way seems to be to add 2 audio streams, one with SRTP and another one without: - Stream without SRTP: RTP/AVP transport. - Stream with SRTP: RTP/SAVP transport and a=cryplo line