Patent ID: 8649763

Claim:
A portable telephone system comprising: a server; a switchboard; a telephone; a non-telephone type notification device; and a portable telephone, wherein said server and said switchboard, said switchboard and said telephone, said server and said non-telephone type notification device, said non-telephone type notification device and said portable telephone, and said switchboard and said portable telephone are mutually connected; wherein said server holds correspondence data describing a correspondence between a specific number specifying said telephone and a specific number specifying said portable telephone; wherein said switchboard, upon detecting a received call to said telephone, notifies said server of the received call and the specific number of said telephone; wherein said server, upon receiving a notice of a received call from said switchboard and the specific number of said telephone, instructs said switchboard to hold the received call, and detects said portable telephone corresponding to the specific number of said telephone from said correspondence data, and notifies said non-telephone type notification device of the specific number of said detected portable telephone; wherein said non-telephone type notification device, upon receiving the specific number of said portable telephone from said server, sends a non-telephone type notice to said portable telephone; wherein said server sends an instruction of transfer to said portable telephone of the received call giving instruction of said hold to said switchboard; wherein said switchboard, upon receiving the instruction of transfer from said server, transfers the received call on hold to said portable telephone; wherein said portable telephone classifies the type of incoming calls by a non-telephone type notice from said non-telephone type notification device, and determines the information relating to said incoming calls as not-to-be stored.