Anycall Telecom Network（HK）Co. Ltd. Hong Kong

We are HongKong company which has very matrue and stable Voip system. Cheap A2Z price. And we have hosting in over 60 countries. We are looking for the internatioal partners and distributors to promote our products. We always keep high margin space for ou

Anycall Telecom Network (H.K.) Co. Ltd is a highly-regarded company in China’s network communication industry, established in 2000 with headquarter locates in Hong Kong. The company provides Voice Over IP (VOIP) service and Virtual Private Network service to consumers and enterprises. It is the first established company nurtures in VOIP solution and operation. After 9 years of development, the company has been expanded to a large-scale enterprise that has influences in region of South Asia.

ViViCall product development team consists of elites in network communication industry. Our team has in-depth development capabilities and operational experience. In addition to having thorough understanding of communication and Internet industry, we are excellent in applying latest technology and innovating continuously.

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General office

Anycall Telecom Network（HK）Co. Ltd.
Address: Unit 5, 20/F, Kowloon Plaza, No 485 Castle Peak Road, Kowloon.

Hong Kong

Phone: +86 755 61283922 Ext
Phone: +86 755 61282373 Ext
Site: http://www.vivicall.com

Contact Person

Jason Tse / Oversea Sales Manager
Phone: +86 755 61283922 Ext
Phone: +86 13510691541

Wholesale VoIP Carrier

Not data

Quickcom Global Communications

HW HongKong

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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