in s 308 next the address information acquiring process according to the second embodiment which is executed in s 308 will be described with reference to fig1 in s 401 the communication control program 22 determines whether the user of the mobile phone 1 can use the telephone function based on the usable function for each user information acquired in s 301 and causes the process to move to s 402 when the telephone function is usable and to s 403 when the telephone function is unusable in s 402 the communication control program 22 acquires the telephone number that is read out in s 307 as the usable telephone number in s 403 the communication control program 22 determines whether the user of the mobile phone 1 can use the fax function based on the usable function for each user information and causes the process to move to s 404 when the fax function is usable and to s 405 when the fax function is unusable in s 404 the communication control program 22 acquires the fax number that is read out in s 307 as the usable fax number in s 405 the communication control program 22 determines whether the user of the mobile phone 1 can use the scanner function based on the usable function for each user information and causes the step to move to s 406 when the scanner function is usable and when the scanner function is unusable terminates the process and returns to the displaying process in s.