协议
|
参数
|
说明
|
H.323
|
H.323 V4
|
ITU-T
|
|
H.450
|
被屏蔽
|
需局端支持
|
H.225
|
支持
|
|
H.245
|
支持
|
|
H.235
|
支持
|
|
RCF-1889
|
RTP/RTCP
|
|
IP对IP
|
支持
|
|
SIP
|
RFC 3261
|
|
Session Initiation Protocol
|
RFC 2327
|
|
SDP: Session Description Protocol
|
RFC 3264
|
|
An Offer/Answer Model with the Session Description
Protocol (SDP)
|
RFC 3265
|
|
Session Initiation Protocol (SIP)-Specific Event
Notification
|
RFC 3515
|
|
The Session Initiation Protocol (SIP) Refer
Method
|
RFC 2976
|
|
The SIP INFO Method
|
RFC 2833
|
|
|
RFC 3489
|
|
|
RFC 3842
|
|
A Message Summary and Message Waiting Indication Event
Package for the Session Initiation Protocol (SIP)
|
RFC 3891
|
|
The Session Initiation Protocol (SIP) "Replaces"
Header
|
RFC 3892
|
|
The Session Initiation Protocol (SIP) Referred-By
Mechanism
|
draft-ietf-sipping-cc-transfer-04
|
|
Session Initiation Protocol Call Control -
Transfer
|
