| 协议 | 参数 | 说明 |
| H.323 |
| H.323 V4 | ITU-T | |
| H.450 | 支持前6个 | |
| 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 |