PHONE AND PASSWORD CODE REGISTRATION/TRANSMISSION METHOD FOR THE PHONE

摘要

PROBLEM TO BE SOLVED: To provide a phone set that has a password code (consisting of numerals, symbols and characters) registration setting function so as not to make dialing to telephone numbers other than those corresponding to registered password codes. SOLUTION: The phone is provided with a password code setting table 111 to which password codes are registered. Telephone number groups corresponding to one password code and a password code to register a password setting flag denoting whether or not the password code is valid are registered to the password code table 111. No dialing is made to telephone numbers belonging to the telephone number group corresponding to the password code whose password setting flag is valid.