Product = SIP Media Gateway-- SIP = "Session Initiation Protocol", used for setting up and tearing down voice phone calls and conferencing in this product over an IP (Internet Protocol) network; It meets the requirements set by the IETF (RFC 3261); Media Gateway = Is a name used for a hardware device in this case that converts voice calls from the legacy phone communication world being the PSTN(Public Switched Telephone Network) to the VoIP(Voice over IP network); The SIP Media Gateway converts all PSTN network call control signaling (CAS = Channel Associated Signaling and CCS = Common Channel Signaling - eg-- T1/PRI, ISDN, T1 Robbed Bit, R2 and so on) and voice processing (TDM = Time Division Multiplex) to the VoIP network call control signaling (SIP) and voice processing (RTP = Real-time Transport Protocol); Product = SIP Media Gateway Controller-- SIP = "Session Initiation Protocol", used for setting up and tearing down voice phone calls and conferencing in this product over an IP (Internet Protocol) network; It meets the requirements set by the IETF (RFC 3261); Media Gateway Controller = Is a name used for the software in this case that converts voice calls from the legacy phone communication world being the PSTN(Public Switched Telephone Network) to the VoIP(Voice over IP network); This is done from an application server (software server) that controls the Media Gateways remotely; The SIP Media Gateway Controller converts all PSTN network call control signaling (CAS = Channel Associated Signaling and CCS = Common Channel Signaling - eg-- T1/PRI, ISDN, T1 Robbed Bit, R2 and so on) and voice processing (TDM = Time Division Multiplex) to the VoIP network call control signaling (SIP) and voice processing (RTP = Real-time Transport Protocol); Product = Media Server-- Is a hardware device that serves media to the PSTN (Public Switched Telephone Network) and VoIP (Voice over IP network) voice communication networks; It does this by providing services to the voice phone caller such as playing prompts to the caller (IVR = Interactive Voice Response) so the voice phone caller can navigate through voice menus to retrieve information like bank balance, order status or any other information the voice phone caller needs that his suppliers is offering; Further functionality can be performed such as conferencing multiple voice phone callers at the same time on the same call; Most common base functionally is to play media files, collect digits and replay needed information
Electrical and Scientific Apparatus