Protel Group, LLC United States

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General office

Protel Group, LLC
600 S Dixie Hwy Ste 213
Boca Raton
FL ,33432
United States

Phone: 8775031112
Phone: 561-228-4201
Site: http://www.protelgroup.com

Contact Person

Irving Parker / Partner - Sales/Marketing
Phone: 561-228-4201
Phone: 561-228-4201

Internet Telephony Service Provider

IP devices
PC to Phone
Phone To PC
Phone To Phone
SIP VoIP Gateway
Web Call
Web To Phone

Cisco Systems
Dialogic Based
NACT

Billing system of own development

snom technology Inc

ZOZ Voip Corporation

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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