SIP Video Phone Based on HTML5 Technology

Developed for SIP/IMS video clients, supports access to sip Softswitch, IMS core network, and
Voice, video, and instant messaging functions. The video formats support h263, h264, and MPEG4 soft encoding solutions. The hardware coding/decoding interface is provided for interconnection and servers. If you are interested, contact me.

Implements standard-based (SIP, HTML5, h264) video phones on the browser end. It can communicate with other SIP-based clients and servers and support h264 and h263 video encoding standards, voice supports g711 and g729, and instant messaging.

The browser-side sip Video Phone is divided into two parts:

1. Sip and SDP protocol stack

Use JavaScript to implement the SIP, SDP protocol stack, and websocket protocol for the transport layer (part of the HTML5 standard ),

Http://tools.ietf.org/html/draft-ibc-sipcore-sip-websocket-02

The protocol stack can be connected to the standard sip Softswitch/IMS core network through TCP, UDP, and TLS.

2. Multimedia

The multimedia part includes audio and video encoding and decoding. The multimedia protocol stack adopts WebRTC, which is also part of the HTML5 standard. Google's natvie supports WebRTC, While IE does not. webrtc4ie must be used.

This client can be used in the call center system as the agent test client, supporting im, voice, and video.