Parsvoip Iran

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General office

Parsvoip
Ordibehsht
Shiraz
Farsi ,71349
Iran

Phone: 989171026908
Phone: 989171055223
Site: http://www.parsvoip.com/

Hardware
Hosted VoIP billing service provider
SIP Billing
VoIP Billing Software Provider
Voip consulting
Voip Termination ISP
Wireless Broadband

Call Relay VoIP Solutions
Call Routing VoIP Solutions
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Installation and Support Services
PC to Phone
Phone To PC
Phone To Phone
Project Mangement Services
SIP Softswitch & CPE
SIP VoIP Gateway

Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways
Huawei VoIP Products

Billing system of own development

Dacotel

DFM

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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