Selective Call Routing
The system allows you to create a list of numbers, which will be redirected in case if the telephone, to which they call, is unavailable. For example, somebody calls you to the office during your absence and the number of the subscriber who is calling is in the list, accordingly this call will be redirected for instance to the phone of your car or some other indicated by you in the system. In case if at the moment of your absence you will be called from a number that is not in the list, the call will not be redirected but most likely will be sent to the voice mail. Thus, you will never miss a call from partners, who are important to you.
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.
Net2Phone
Net2Phone, the leader in Wholesale VoIP termination, terminates over 30 billion minutes per year and has distribution in over 160 countries.
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