Patent ID: 6597905
Filing Date: 2003-07-22
Classification: H04M

Abstract:
A telephone system having a main terminal connected to a telephone cable and at least one wireless remote handset terminal, the telephone system comprising:means for receiving caller line identification (CLI) information for a call transmitted across said telephone cable; means for transmitting said CLI information for said call that is received to said wireless remote handset terminal that is registered, so that said remote handset terminal displays said CLI information, wherein said CLI information that is received is stored in a memory only if a remote handset terminal that is registered in said main terminal is not available when said CLI information for said call is received; and switch means for erasing said CLI information stored in said memory when said CLI information has been transmitted to said at least one remote handset terminals, and means for erasing said CLI information stored in said memory when said CLI information has been transmitted to all of the at least one remote handset terminals; wherein flags are employed to indicate the presence or absence of said at least one remote handset terminals that are registered in said main terminal, and said CLI information stored in said memory in conjunction with a flag for each at least one remote handset terminal that is registered.