SDP 协议栈
SDP （Session Description Protocol）协议被用来在会话宣布、会话邀请或开始其他形式的会话时描述这些多媒体会话。 在菊风的协议栈框架实现中，SDP 不作为一个单独的协议层存在，它和其它协议（如 SIP 和 MGCP 等）一起提供配置管理和编解码接口。
顺从的标准
IETF RFC2327 Session Description Protocol (Obsoletes)
IETF RFC2733 An RTP Payload Format for Generic Forward Error Correction
IETF RFC2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
IETF RFC3640 RTP Payload Format for Transport of MPEG-4 Elementary Streams
IETF RFC3312 Integration of Resource Management and Session Initiation Protocol (SIP)
IETF RFC3605 Real Time Control Protocol (RTCP) attribute in Session Description
Protocol
IETF RFC4566 Session Description Protocol
IETF RFC4556 Public Key Cryptography for Initial Authentication in Kerberos
IETF RFC3890 Generic Requirements for Provider Provisioned Virtual Private Networks
IETF RFC3711 The Secure Real-time Transport Protocol
IETF RFC4571 Framing Real-time Transport Protocol (RTP) and RTP Control Protocol
(RTCP)Packets over Connection-Oriented Transport
IETF RFC4572 Connection-Oriented Media Transport over the Transport Layer Security
(TLS) Protocol in the Session Description Protocol
IETF RFC3952 Real-time Transport Protocol (RTP) Payload Format for internet Low Bit
Rate Codec (iLBC)Speech
IETF RFC3388 Grouping of Media Lines in the Session Description Protocol
IETF RFC3542 Advanced Sockets Application Program Interface (API) for IPv6 ITU T.38
Fax relay
IETF RFC2733 An RTP Payload Format for Generic Forward Error Correction
IETF RFC2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
IETF RFC3640 RTP Payload Format for Transport of MPEG-4 Elementary Streams
IETF RFC3312 Integration of Resource Management and Session Initiation Protocol (SIP)
IETF RFC3605 Real Time Control Protocol (RTCP) attribute in Session Description
Protocol
IETF RFC4566 Session Description Protocol
IETF RFC4556 Public Key Cryptography for Initial Authentication in Kerberos
IETF RFC3890 Generic Requirements for Provider Provisioned Virtual Private Networks
IETF RFC3711 The Secure Real-time Transport Protocol
IETF RFC4571 Framing Real-time Transport Protocol (RTP) and RTP Control Protocol
(RTCP)Packets over Connection-Oriented Transport
IETF RFC4572 Connection-Oriented Media Transport over the Transport Layer Security
(TLS) Protocol in the Session Description Protocol
IETF RFC3952 Real-time Transport Protocol (RTP) Payload Format for internet Low Bit
Rate Codec (iLBC)Speech
IETF RFC3388 Grouping of Media Lines in the Session Description Protocol
IETF RFC3542 Advanced Sockets Application Program Interface (API) for IPv6 ITU T.38
Fax relay
SDP 协议栈特性
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采用 ANSI C 开发
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基于 ZOS，跨平台支持
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高速编解码技术
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协议日志管理功能
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协议性能统计功能
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支持视频、语音、会议属性
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支持 3GPP IMS, GSMA RCS/RCS, OMA PoC/IM/Presence, NAT, RTCP, QoS, 安全等丰富的应用属性扩展
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