Patent ID: 8345838
Filing Date: 2013-01-01
Classification: H04M,H04W

Abstract:
1. A method for managing at least two service lines between two or more telephonic devices, the method comprising: connecting two or more telephonic devices, including a local network of one or more analog telephones, through a gateway for communication of phone signals therebetween; the gateway having a power source for applying a nominal tip/ring voltage to a first port mimicking a powered Foreign Exchange Station (FXS) port and adapted for connecting to the local network of one or more analog telephones; varying the applied voltage at the FXS port from nominal tip/ring voltages: and monitoring current at the FXS port and if there is no monitored current then it is established that the FXS port is connected to the network of one or more analog telephones; interpreting phone signals between the telephonic devices for establishing a service line identity for each of the at least two service lines and a signal format for each of the telephonic devices, receiving a state signal from an active analog telephone of the local network of one or more analog telephones, for selecting the service line identity bearing a phone call of interest, and connecting the phone call of interest to the service line for the selected line identity in a form compatible with the active analog telephone.