UX5000 and Aspire Telephone part numbers 091xxxx/08900xx To set the time for your UX5000/Aspire system: From the System Administrator's telephone (normally extension 301), press CALL1 and dial 828. Dial two digits for the hour (24 hour) For example, 13=1:00 PM. Dial two digits for the minutes. You hear confirmation beeps. Press SPK to hang up. For AVAYA, NORSTAR, NEC, SAMSUNG, MITEL, PANASONIC, TOSHIBA telephone systems and voicemail call (866)206-2316 or email MasterTelephone@gmail.com