If you use BUNDLE, these disadvantages go away entirely. Right now there are no plans to support RTCP APP messaging in the 1.0 timeframe. On Mon, Feb 16, 2015 at 8:12 PM, Bibhudatta Biswal < bbibhu@kodiaknetworks.com> wrote: > Thanks Randell for the support. > > > > Implementing DataChannels to support the RTCP APP message has the > following disadvantages. > > · Consumes the additional resource on the operator’s NAT/Firewal > to create the separate port/connection mapping. > > · In the RTCP-MUX scenarios, we need to have the separate DTLS > session for the data channel just to send/receive the RTCP APP message > which could have been done as SRTCP message on the same RTP port. > > > > In Push To Talk Over Cellular applications, the Media Burst Control > Protocol (MBCP) is used to exchange the floor/volley information which is > based on the RTCP Application Packets (RTCP: APP). The MBCP protocol is > defined by the Open Mobile Alliance(OMA) group is widely used for Push To > Talk over cellular applications. > > > > Please find the link to the specification below. > > > > > http://technical.openmobilealliance.org/Technical/release_program/docs/PoC/V2_0-20071002-C/OMA-TS-PoC_UserPlane-V2_0-20071002-C.pdf > > > > >Received on Wednesday, 18 February 2015 19:19:25 UTC
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