Patent ID: 6212375
Filing Date: 2001-04-03
Classification: H04M,H04W

Abstract:
A personal base station, comprising:a transceiver coupled to an antenna for conducting bidirectional wireless communications with a mobile station, said mobile station also capable of communicating with a cellular communication system;an interface to a telephone line;a first monitor for sensing the presence of power to the personal base station;a controller responsive to the loss of power to the personal base station to notify the mobile station that said mobile station is to obtain service from said cellular communication system; and further comprising:a second monitor for sensing the status of the telephone line and determining if said telephone line is disconnected or in use; andwherein said controller, responsive to said second monitor, notifies said mobile station that said mobile station is to obtain service from said cellular communication system, when said telephone line is disconnected and, if said telephone line is in use, said controller, notifies said mobile station that said mobile station is to obtain service from said cellular communication system when said telephone line is in use for at least a predetermined period.