Patent ID: 6029071
Filing Date: 2000-02-22
Classification: H04M

Abstract:
In a cordless telephone system employing a plurality of handset units and a base unit, an arrangement for establishing communications between the base unit and each one of the plurality of handset units for communication with said base unit, the arrangement comprising:means for establishing voice communications between the base unit and one of the plurality of handset units over the initial active communication channel;means in both the base unit and each of the plurality of handset units for storing data indicative of the initial active communication channel and the service communication channel;means in the base unit, in response to conditions related to the initial active communication channel, for selecting another one of the plurality of communications channels to be a substitute active communication channel, and storing data indicative of the selection of said another one of the plurality of communications channels as the substitute active communication channel;means in each handset unit, in the absence of establishing communications with the base unit over the active communication channel, for contacting said base unit over the service communication channel; andmeans in the base unit for communicating over the service communication channel data indicative of the substitute active communication channel, said handset using the data received from the base unit over the service communication channel for establishing communications with the base unit over the substitute active communication channel.