Kolk Group, Inc. United States

Kolk Group is the carrier of international long distance telephone calls. We are here to serve you with the most modern communications technology available. Our mission is to bring value to our customers and oru partners.

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General office

Kolk Group, Inc.
130 Rose Ave
Woodcliff Lake
New Jersy , NJ 07677
United States

Phone: +1-201-775 4305
Site: http://www.kolktel.com

Contact Person

Gennady Klemeshev / CEO
Phone: +7-926-529-9391

International VoIP Wholesale Provider

H.323 VoIP Gateway

Sonus Network

Java Based own system

CallExchange

IP Communications

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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