Cicitel Telecommunications Co.,Ltd Hong Kong

Cicitel Telecommunications has focused on delivering high quality services and products to the VOIP market for over 6 years. Based on our stable routes and competitive price, we have a lot of customers and also lots of partners which are large national telecom operators as well as new dynamic VOIP companies.

As the sound and solid foundation of telecommunication market and international wholesale business, Cicitel service covers major countries in North America, Europe, Asia and Africa.

We provide high quality services including routes wholesale,routes retail, softswitch and pc client solutions. Cicitel continues to expand its presence in global VOIP market.

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General office

Cicitel Telecommunications Co.,Ltd
Unit 04, 7/F, Bright Way Tower, NO. 33 Mong Kok Road, Kowloon, Hong Kong
Hong Kong
Hong Kong
Hong Kong

Phone: +852-6817-8059
Site: http://www.cicitel.com

Contact Person

David Chan
Phone: +852-6817-8059

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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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