DAH Voice United States

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DAH Voice
121 Edward Street
Port-of-Spain
Trinidad ,0
United States

Phone: 868-629-4873
Site: http://www.dahvoice.com

Contact Person

Andre Charles / Managing Director
Phone: 301-589-2547

Hardware
Internet Telephony Service Provider
Network Service Provider
Voip consulting
Voip Termination ISP

Collaboration
Consultancy Services
Installation and Support Services
IP devices
PC to Phone
Phone To Phone
SIP VoIP Gateway
System Integration
Voice and Video Conferencing
Web Call
Web To Phone

Cisco Systems

Our Own ASP Solution

Fonelogic, Inc.

DAH Voice

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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