Patent ID: 6920313

Claim:
A telephone system comprising: at least one cellular telephone unit adapted for mobile cellular telephone communications; a land line telephone wiring circuit adapted to telephonically link telephonic devices; at least one land line-based telephone unit coupled to said land line telephone wiring circuit, said land line-based telephone unit adapted for land line telephone communications; a mobile converter coupled to said cellular telephone unit and to said land line telephone wiring circuit, said mobile converter being adapted to convert designated cellular signals from said cellular telephone unit into signals compatible with land line telephone service for use by said land line-based telephone unit, wherein said mobile converter comprises at least one of a Call Waiting tone converter adapted to convert Call Waiting tones received from said cellular telephone unit into signals compatible with land line service for use by said land line-based telephone unit and a Message Waiting tone converter adapted to convert Message Waiting tones received from said cellular telephone unit into signals compatible with land line service for use by said land line-based telephone unit; and a land line converter coupled to said land line telephone unit and to said land line telephone wiring circuit, said land line converter being adapted to convert designated land line signals from said land line telephone unit into signals compatible with cellular telephone service for use by said cellular telephone unit; wherein said telephone system relies upon cellular service as a communication carrier.