chicomservices China

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chicomservices
zengjiawan, zuojiatang
changsha
hunan ,86
China

Phone: 8613467710063
Site: http://www.cvoiptel.com

Contact Person

saam yunji / International sales manager
Phone: +1 3233752184
Phone: 8613467710063

Hardware
International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Voip Termination ISP

Call Routing VoIP Solutions
E1 Bulk Wholeseller
Installation and Support Services
IP devices
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
Project Mangement Services
SIP VoIP Gateway
System Integration
Termination
Voice and Video Conferencing
Web Call
Web To Phone

Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways
Cisco Systems

Custom Open Source Billing Solution
Telco Solutions Billing System

China Uni Ta Technology Co., Ltd.

chicomservices

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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Wanatel

Leader in VoIP solutions for small, medium and big companies, Wanatel SA covers the world with subsidiaries in Europe, Asia and Pacific, USA and South Africa.

Our worldwide coverage enables to offer the best international telephony rates. Wanatel mana