Longphone France

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General office

Longphone
122 Rue de la Boetie
Paris
,75008
France

Phone: 33156262800
Site: http://www.longphone.com

Contact Person

Yoav Fischer / Marketing Director
Phone: 33156262809

International VoIP Wholesale Provider
Voip Termination ISP

Call Relay VoIP Solutions
Call Routing VoIP Solutions
Gatekeepering
Partnering for Origination and Termination
SIP Softswitch & CPE
SIP VoIP Gateway
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Cisco Systems

Custom Open Source Billing Solution

Longphone

CHEZSIP

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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