A method of operating a network server, such as a mobile application gateway, connect devices on a cellular or carrier network with individual networks, such as enterprise voice and data networks or residential networks. The effects of the present invention are far reaching in terms of transferring effective call control from the cellular network into the control of the individual network, such as the enterprise, and enabling new business models for the purchase of cellular service from a public cellular carrier by an enterprise.

A mobile application gateway configured to interconnect mobile communication devices on a cellular network with an enterprise network is provided. The mobile application gateway includes a voice and data signaling gateway configured to provide routing functionalities, service functionalities and admission control. A gateway GPRS support node (GGSN) is configured to establish a secure data session between one or more of the mobile communication devices and the enterprise network by establishing a GPRS tunneling protocol (GTP) tunnel between a carrier-hosted serving GPRS support node (SGSN) and the GGSN.

Methods and architectures for improving operation of 9-1-1 and other emergency services networks. Enriched data (e.g., text messages, videos, phase II location information, etc.) may be transmitted to a PSAP via a secondary communication channel (i.e., data), wherein the primary communication channel is a voice telephony trunk. Disclosed embodiments may increase the speed with which accurate location information is made available to improve call routing accuracy and decrease dispatch time. Some embodiments may also enable continued operation of legacy emergency services systems during and after transition to next generation systems.

A system, server, and method of DTMF detection in a VoIP network.

A method of operating a network server, such as a mobile application gateway, connect devices on a cellular or carrier network with individual networks, such as enterprise voice and data networks or residential networks. The effects of the present invention are far reaching in terms of transferring effective call control from the cellular network into the control of the individual network, such as the enterprise, and enabling new business models for the purchase of cellular service from a public cellular carrier by an enterprise.

When a mobile station requests circuit services notifications through a packet switched network, a mobile switching center sets a forwarding indicator. When the MSC detects an event indicative of a change in the status of the mobile station, the MSC sends an event notification to the packet switched network if the forwarding indicator is set to true. In the packet switched network, the base station can use the event notifications to manage communication resources used for packet data communications with the mobile station.

Network resources for a call are allocated. The network resources for the call are reserved based on a reservation. The network resources are reserved before any one network resource is committed. If the call is confirmed, then the network resources are committed.

A mobile application gateway configured to interconnect mobile communication devices on a cellular network with an enterprise network is provided. The mobile application gateway includes a voice and data signaling gateway configured to provide routing functionalities, service functionalities and admission control. A gateway GPRS support node (GGSN) is configured to establish a secure data session between one or more of the mobile communication devices and the enterprise network by establishing a GPRS tunneling protocol (GTP) tunnel between a carrier-hosted serving GPRS support node (SGSN) and the GGSN.

A system, server, and method of DTMF detection in a VoIP network.

Methods and architectures for improving operation of 9-1-1 and other emergency services networks. Enriched data (e.g., text messages, videos, phase II location information, etc.) may be transmitted to a PSAP via a secondary communication channel (i.e., data), wherein the primary communication channel is a voice telephony trunk. Disclosed embodiments may increase the speed with which accurate location information is made available to improve call routing accuracy and decrease dispatch time. Some embodiments may also enable continued operation of legacy emergency services systems during and after transition to next generation systems.