Audio features
- Conference Mixer
- Wav Player and Recorder
- Acoustic Echo Cancelation
- Noise Suppression
- Answering Machine
Codecs
- Ultra-wideband: OPUS 48kHz, Speex 32kHz
- Wideband: Speex and G722
- Narrowband: G711, iLBC, GSM
Video features
Codecs
- H.264
- VP8
Implemented Standards
SIP Signaling
- SIP, Session Initiation Protocol RFC3261
- SDP, Session Description Protocol RFC4566
- An Offer/Answer Model with Session Description Protocol （SDP） RFC3264
- Reliability of Provisional Responses in Session Initiation Protocol RFC3262
- HTTP Authentication: Basic and Digest Access Authentication RFC2617
- The Reason Header Field for the Session Initiation Protocol RFC3326
- The Session Initiation Protocol （SIP） Refer Method RFC3515
- The Session Initiation Protocol （SIP） "Replaces" Header RFC 3891
- Session Initiation Protocol （SIP） Call Control - Transfer RFC 5589
- Obtaining and Using Globally Routable User Agent URIs （GRUUs） RFC 5627
Address Resolution
- Locating SIP services: RFC3263
- Bonjour multicast DNS: https://tools.ietf.org/html/draft-lee-sip-dns-sd-uri-03
NAT Traversal
- SIP Signaling: Symmetric Response Routing Symmetric media RFC3581
- STUN: Session Traversal Utilities for NAT RFC3489
- RTP media （Audio and Video）: ICE, Interactive Connectivity Establishment RFC5245
- MSRP media （Instant Messaging and File Transfer）: MSRP protocol relay extension RFC4976
- MSRP Alternative Connection Model （ACM） RFC6135
Audio and Video
- RTP, A Transport Protocol for Real-Time Applications RFC3550
- Real Time Control Protocol （RTCP） attribute in Session Description Protocol （SDP） RFC3605
- The Secure Real-time Transport Protocol （SRTP） RFC3711
- Generation and parsing of RFC 2833/telephone-events payload in both RTP and SDP RFC2833
- ZRTP Encryption RFC6189
Instant Messaging
- Common Presence and Instant Messaging （CPIM）: RFC 3862
- Session Initiation Protocol （SIP） Extension for Instant Messaging RFC3428
- MSRP Protocol RFC4975
- Indication of Message Composition for Instant Messaging RFC3994
- Message Summary Event Package RFC3842
File Transfer
- File Transfer RFC5547
Screen Sharing
- Variation of draft-garcia-mmusic-sdp-collaboration-00 using RFB over MSRP
Conferencing
- Conference Event Package RFC4575
- A Framework for Conferencing with the Session Initiation Protocol RFC4353
- SIP Call Control - Conferencing for User Agents RFC4579
- MSRP ad-hoc multi-party chat sessions draft-ietf-simple-chat
Presence
- SIP Specific Event Notification （SUBSCRIBE and NOTIFY methods） RFC3265
- SIP Extension for Event State Publication （PUBLISH method） RFC3903
- SIP Event Notification Extension for Resource Lists Contact Information Extension to PIDF RFC4482
- Presence Data Model （PIDF） RFC3863, RFC3379, RFC4479
- Watcher-info Event Package RFC3857, RFC3858
- Rich Presence Extensions to PIDF RFC4480
- Contact Information Extension to PIDF RFC4482
- User Agent Capability Extension to PIDF RFC5196
- XCAP Protocol RFC4825
- Common Policy RFC4745
- Presence Rules RFC5025
- Resource Lists RFC4826
- RLS Services RFC4826
- RLMI document handling RFC4662
- PIDF manipulation RFC4827
- XCAP Diff RFC5874
- OMA Reference Release Definition for XDM v1.1 and Presence SIMPLE v1.1 Implementation Guidelines
- OMA XML Document Management V1.1
如果用户需要集成服务器端进行测试的话，用户可以下载安装开源的会议服务器SylkSERVER 进行测试配置。此开源融合通信平台支持了多种目前实用的SIP以及相关通信功能。
SylkServer
这里，用户要注意，AG project的MSP平台集成了多个应用服务器组件模块，如果用户需要更多计费，媒体转发，SIP注册，语音邮箱服务器等，可查看器官方网站。
具体安装配置链接：http://projects.ag-projects.com/projects/documentation/wiki/Products_and_Services
https://sipsimpleclient.org/features/
