2Ring Communications LLC United States

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2Ring Communications LLC
5555 Glenridge Connector
Atlanta
Georgia ,30342
United States

Phone: +1 404-257-4177
Phone: +1 866-551-8989
Site: http://www.2ringcommunications.com

Contact Person

Michael Franklin / President
Phone: +1 732-290-9132
Phone: +1 848-565-7374

Internet Telephony Service Provider
Hosted VoIP billing service provider
Voip Termination ISP
VoIP Billing Software Provider
Network Service Provider
Voip consulting

Phone To Phone
Gatekeepering
Web To Phone
Collaboration
Termination
Billing Software
Partnering for Origination and Termination
System Integration
Installation and Support Services

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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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