Metrocom Russia

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General office

Metrocom
#1 Transport Lane
St-Petersburg
Rus ,191119
Russia

Phone: +7 (812) 118-32-11
Site: http://www.metrocom.ru

Contact Person

Alexei Sholomov / System Engeneer
Phone: +7 (812) 118-32-11

International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Voip Termination ISP
Network Service Provider
Voip consulting

Phone To Phone
Fax To Fax
Gatekeepering
Outsourced Billing
IP devices
Voice and Video Conferencing
Termination
System Integration
Consultancy Services
Installation and Support Services

Cisco Systems
Clarent

Billing system of own development

CCS

Inton

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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