An integrated cordless and cellular phone system, including a base station for one or more cordless phones, the base station being served by a fixed line telephone network operator, including one or more slots for attaching one or more cellular phone modules therein, the cellular phone modules being served by corresponding cellular network operators, wherein each of the one or more slots is associated with a corresponding cordless phone, and call routing circuitry (i) for identifying an incoming call to the base station as being intended for a specific one of the cellular phone modules, and (ii) for routing the incoming call to the cordless phone that is associated with the slot to which the specific cellular phone module is attached. A method is also described and claimed.