From OpalVoipWiki
Main: H323Feaures
The Opal H.323 implementation supports the following standards:
Basic call handling
H.225.0 : Call signalling protocols and media stream packetization for packet-based multimedia communication systems
H.245 : Control protocol for multimedia communication
H.235 (more info TBA)
H.450 (more info TBA)
H.460 (more info TBA)
DTMF support
RFC 2833/4733 - "RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals"
In-band DTMF detection/generation (where possible)
Audio and video
G.711 uLaw and ALaw audio
Standard GSM 06.10 audio (via GSM plugin)
Microsoft GSM audio as per draft-ema-vpim-msgsm-00.txt (via GSM plugin)
Speex audio codec as per draft-ietf-avt-rtp-speex-05 (via GSM plugin)
RFC 2032/4587 "RTP Payload Format for H.261 Video Streams"
(via IPP plugin)
RFC 2190 "RTP Payload Format for H.263 Video Streams"
(via FFmpeg plugin)
RFC 2429/4629 "RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)"
(via FFmpeg plugin)
RFC 3016 "RTP Payload Format for MPEG-4 Audio/Visual Streams"
(via IPP plugin)
RFC 3952 "Real-time Transport Protocol (RTP) Payload Format for internet Low Bit Rate Codec (iLBC) Speech"
(via iLBC plugin)
RFC 3984 "RTP Payload Format for H.264 Video"
(via IPP plugin)
RFC 4175 "RTP Payload Format for Uncompressed Video"
Data support
H.224 - "A real time protocol for simplex applications using the H.221 LSD/HSD/MLP channels"
H.281 - "A FAR END CAMERA CONTROL PROTOCOL FOR VIDEOCONFERENCING USING H.224"
Partially implemented
RFC 3711 "The Secure Real-time Transport Protocol (SRTP)"
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Page last modified on December 22, 2008, at 05:31 AM