Patent ID: 6915137

Claim:
A cordless telephone system comprising: a handset comprising a first transmitter and a first receiver, the first transmitter transmitting a first combined radio frequency signal comprising a first digital portion and a first analog portion, the first analog portion comprising voice data transmitted from the handset to a base station, the first receiver receiving from the base station a second combined radio frequency signal comprising a second digital portion and a second analog portion, the second analog portion comprising voice data received from the base station, the second digital portion comprising frequency hopping data directly controlling the timing of the frequency hopping and the frequencies used by the handset; and the base station including a second transmitter and a second receiver, the second transmitter transmitting the second combined signal comprising the second digital portion and the second analog portion, the second analog portion comprising voice data transmitted from the base station to the handset, the second receiver receiving from the handset the first combined signal comprising the first digital portion and the first analog portion, the first analog portion comprising the voice data received from the handset, the first digital portion comprising frequency hopping data directly controlling the timing of the frequency hopping and the frequencies used by the base station.