Wuchuan Network Tec Co.,Ltd China

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General office

Wuchuan Network Tec Co.,Ltd
Room517, Zhongzhen Building,luohu District
Shenzhen
Guangdong ,518000
China

Phone: +86-755-25118101
Phone: +86-755-25118801

Contact Person

Rick Law / Export Director
Phone: +86-755-25118801
Phone: +86-13689578405

Hardware
International VoIP Wholesale Provider
Internet Telephony Service Provider

H.323 VoIP Gateway
IP devices
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways

IP Phone
IPCB.net
VPAN

Sinoco Information Technology, Inc.

Atcom technology Co.,limited

Providers in database: 6433

SDP Protocols Are Used To Transmit Media Session Information

In 1998, the Internet Engineering Task Force (IETF) published the specification for a Session Description Protocol or SDP as a format that describes parameters for streaming media. The original IETF Proposed Standard was updated in 2006 as RFC 4566. Although the SDP was created as a feature of Session Announcement Protocol (SAP), it can be used with Real-time Transport Protocol, Real-time Streaming Protocol (RTSP), and Session Initiation Protocol, as well as a standalone protocol. Parameter negotiation, session announcement and session invitation are included in the descriptive sessions from the SDP protocol. Rather than transmit data like other types of protocols, an SDP negotiates between media type endpoints, format and properties involved. A session begins when a connection is established, and the session is terminated only after every endpoint is no longer participating.

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