Airstar Telecom Holding Limited Hong Kong

AirstarTel is the premium quality provider for termination of your international telecommunication minutes.

We provide small and medium-sized enterprises such as carriers, ISP''s and telecommunication service providers with extremely low rates for international calls to ANY destination worldwide. Calls are sent out via more than 150 local operators, reaching each and every country on the globe.AirstarTel terminates large quantities of telecom traffic worldwide. Due to our sizeable traffic in wholesale minutes, we have some of the best international rates in the industry, and therefore are able to pass these savings to our clients. AirstarTel provides A-Z voice termination through interconnections with Tier 1 Providers. The quality of our connections is simply best possible. High ASR & short PPD witness the high standard of our system. The AirstarTel network is supported by a 24/7 network-operation-centre, ensuring the constant quality of our service.

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General office

Airstar Telecom Holding Limited
18th Java Road
NorthPoint
NP ,00852
Hong Kong

Phone: +85281703217
Site: http://www.airstartelecom.com

Contact Person

James Sigalow / Sales Director
Phone: +85281703217

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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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