Shenzhen UCOM Networks Ltd. China

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General office

Shenzhen UCOM Networks Ltd.
Building 2, Room23A, Yangguanghaijing,Sci-tech industry District Shenzhen China
Shenzhen
Guangdong ,518057
China

Phone: 86-755-61302385
Phone: 86-755-61302384
Site: http://www.ucomnetworks.com

Contact Person

Simba Zhang / China
Phone: 86-755-61302384
Phone: 86-13480805608

Hardware
Hosted VoIP billing service provider
International VoIP Wholesale Provider

Gatekeepering
IP devices
Outsourced Billing
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination

Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways

Billing system of own development
Custom Open Source Billing Solution

Syscom Telecom

JR Information Technologies Co., Ltd.

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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