The following VoIP protocols are supported:
- SIP + RTCP + RTP
- MGCP + RTCP + RTP
* SKINNY + RTCP + RTP
For more information, please consult the corresponding RFCs:
- SIP as defined in RFC 3261
- MGCP as defined in RFC 3435
- RTP as defined in to RFC 3550 and RFC 3551
- RTCP as defined in RFC 3605
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