Secure call recording with SIP and SRTP

Dan Wing, Steffen Fries, Francois Audet and myself have recently released a new Internet Draft called “Disclosing Secure RTP (SRTP) Session Keys with a SIP Event Package” that addresses situations where you want both the secure encryption of all voice and also the ability to record calls. However, right now this is difficult to do in any “standard” way in the world of SIP, and this new proposal is one view of how that situation might be solved. The authors are looking for feedback. I hope that the document will be discussed at the upcoming IETF meeting in Prague in mid-March.

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