| 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 |