Esfahan VoIP Networks Iran

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General office

Esfahan VoIP Networks
St Sajad. St Sepahsalar
Isfahan
,88778
Iran

Phone: +98-311-630 5835
Phone: +98-311-630 4056
Site: http://www.esfahan.net

Contact Person

Meysam Mosavi / Managment
Phone: +98 311 630 4056
Phone: +98 911 315 2417

Internet Telephony Service Provider
Wireless Broadband
Voip Termination ISP

Gatekeepering
PC to Phone
Web To Phone
Termination

Cisco Systems
Quintum

Tario billing

International Communications Co.

Hosterix

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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