DragonTelBD Bangladesh

We are providing A-Z routing. We are providing best call quality in Bangladesh. Also We offer Mobile Dialer and Pc2Phone for all block countries like UAE,KSA,QATAR,LIBYA,OMAN ETC.MSN ID
info@dragontelbd.com.
Mob : +8801740615828

DragonTel is one of the leading company in Bangladesh and now pleased to announce about its High Quality Routes in Lowest Price. We don’t compromise on quality and always try to give more benefits to our prestigious Carriers/Customers

You are always welcome for any query or free test account on following email address via Email or MSN.

Yahoo ID : dragontelbd@yahoo.com
MSN & Mail ID : info@dragontelbd.com

Your rate:

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General office

DragonTelBD
37, Purana Palton
Dhaka
Dhaka ,1000
Bangladesh

Phone: +966553420128
Phone: +8801711711971
Site: http://www.dragonbd.net

Contact Person

AKM RAYHAN / CEO
Phone: +8801711711971

Wholesale VoIP Carrier

PC to Phone

SIP softphones

Voip Switch

supervoiz

DIGITxPRESS OnirbaanTel

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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