1stfone Inc. Canada

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General office

1stfone Inc.
4998 de Maisonneuve W.
Montreal
Quebec ,H8Z 1N2
Canada

Phone: 514-266-2744
Site: http://www.1stfone.com

Contact Person

Operations Operations / Operations
Phone: 514-266-2744

International VoIP Wholesale Provider
Internet Telephony Service Provider
VoIP Billing Software Provider
Voip consulting

Billing Software
Call Routing VoIP Solutions
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Outsourced Billing
Partnering for Origination and Termination

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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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DirekTel

DirekTel is a VoIP service and telephony consulting company providing a wide range of telecommunication solutions for small and medium businesses alike. Our mission is to provide companies with high quality, fully managed telecommunication services at red