Patent ID: 7113500
Filing Date: 2006-09-26
Classification: H04L,H04M

Abstract:
1. A method for providing call redirect functionality for a packet based voice system having at least a gateway connected to a PBX and to a data network, the PBX connected to a PSTN, the method comprising the steps of: a) disconnecting the PBX from the PSTN; b) connecting the gateway to the PSTN; c) programming the gateway to receive and determine a desired route for transmission of all incoming and outgoing calls, said incoming and outgoing calls including but not limited to all incoming calls from the PSTN, all incoming calls from the data network, and all outgoing calls from the PBX, said step of programming comprising the steps of programming the gateway to execute a dial plan comprising steps of: d) programming the gateway to transmit said incoming and outgoing calls over said desired route if said desired route is over the PSTN or over the PBX; and e) programming the gateway to detect if said desired route is available for transmitting said incoming and outgoing call if said desired route is over the data network, programming the gateway to transmit said call over said desired route over the data network if said desired route is available and to transmit said call over the PSTN if said desired route is not available.