Extra tel Canada
General office
Extra tel
18 Mountainview rd
Hamilton
ON ,L9H 5B9
Canada
Phone: +1 905 481 0155
Phone: +1 905 515 5556
Site: http://extratel.ca
Contact Person
Douglas Brown / MGr
Phone: +1 905 481 0155
Phone: +1 905 515 5556
Extra tel
18 Mountainview rd
Hamilton
ON ,L9H 5B9
Canada
Phone: +1 905 481 0155
Phone: +1 905 515 5556
Site: http://extratel.ca
Contact Person
Douglas Brown / MGr
Phone: +1 905 481 0155
Phone: +1 905 515 5556
- Hosted VoIP billing service provider
- Internet Telephony Service Provider
- Voip Termination ISP
- Call Routing VoIP Solutions
- Partnering for Origination and Termination
- Phone To Phone
- Quintum
- Custom Open Source Billing Solution
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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