Opened 6 years ago

Last modified 6 years ago

#2124 new defect

Separate DTLS-SRTP negotiation for RTP and RTCP — at Initial Version

Reported by: nanang Owned by: nanang
Priority: normal Milestone: release-2.10
Component: pjmedia Version: trunk
Keywords: Cc:
Backport to 1.x milestone: Backported: no

Description

​https://tools.ietf.org/html/rfc5764#section-3

   RTP and RTCP traffic is usually sent on two separate UDP ports.  When
   symmetric RTP [RFC4961] is used, two bidirectional DTLS-SRTP sessions
   are needed, one for the RTP port, one for the RTCP port.  When RTP
   flows are not symmetric, four unidirectional DTLS-SRTP sessions are
   needed (for inbound and outbound RTP, and inbound and outbound RTCP).

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