JR Information Technologies Co., Ltd. Afghanistan

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JR Information Technologies Co., Ltd.
Floor 7, Bldg 5, Lihe Industrial Estate, Nanshan, Shenzhen, P.R.China.
shenzhen
guangdong ,518052
Afghanistan

Phone: 86-755-88802266
Site: http://www.iplink.cn

Contact Person

sharon wang / market
Phone: 86-755-88802266

Hardware

Collaboration
H.323 VoIP Gateway

Huawei VoIP Products

another

Callclubtt limited

IIA

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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2ndway

2nd Way is a leading provider of high-quality IP based telecommunications services and a key player in the fast growing IP Telephony market. Our primary offering is a prepaid service that allows calls to and from over 200 countries. Our strong emphasis on