2120APPENDIXACCESS CODE .............................................................................................140PIN CODE (4 TO 8 DIGITS).......................................................................140PIN2 CODE (4 TO 8 DIGITS).....................................................................140LOCK CODE (4 DIGITS) ............................................................................140PUK AND PUK2 CODES (8 DIGITS) .........................................................141CALL BARRING PASSWORD (4 DIGITS).................................................141CHECK LIST ..................................................................................................142WHEN THE INSERT SIM CARD MESSAGE APPEARS: .......................142WHEN THE HANDSET LOCKED ENTER PASSWORDMESSAGE APPEARS:...............................................................................142WHEN THE ENTER PIN1 MESSAGE APPEARS: ..................................142WHEN THE NO SERVICE OR NETWORK FAILUREMESSAGE APPEARS::..............................................................................142WHEN AUDIO QUALITY IS POOR:...........................................................143WHEN THE OTHER PARTY CANNOT HEAR YOU SPEAKING: .............143WHEN BATTERY LIFETIME IS SHORTER THAN USUAL: ......................143WHEN YOUR CELL PHONE DOES NOT TURN ON: ...............................143WHEN YOU ARE UNABLE TO SEND A MESSAGE:................................143WHEN YOU ARE UNABLE TO MAKE A CALL: ........................................143WHEN YOU ARE UNABLE TO CHARGE THE BATTERY:.......................144WHEN YOU ARE UNABLE TO INPUT DATA INTO THEPHONE BOOK: ..........................................................................................144WHEN YOU ARE UNABLE TO SELECT A CERTAIN FUNCTION: ..........144ALL ABOUT PERFORMANCE AND SAFETY...............................................145GLOSSARY ...................................................................................................146CALL BARRING .........................................................................................146CALL DIVERTING ......................................................................................146CALL HOLDING .........................................................................................146CALL WAITING ..........................................................................................146CLI (CALLER LINE IDENTIFICATION) SERVICES...................................146EMS (ENHANCED MESSAGE SERVICE).................................................146GPRS (GENERAL PACKET RADIO SERVICE) ........................................147GSM (GLOBAL SYSTEM FOR MOBILE COMMUNICATION) ..................147MULTIPARTY CALLING ............................................................................147PIN (PERSONAL IDENTIFICATION NUMBER) ........................................147PUK (PIN UNBLOCKING KEY)..................................................................148ROAMING ..................................................................................................148SIM (SUBSCRIBER IDENTIFICATION MODULE) ....................................148SMS (SHORT MESSAGE SERVICE) ........................................................148SOFT KEYS ...............................................................................................148VOICE MAIL ...............................................................................................149GUARANTEE.................................................................................................150MEMO ............................................................................................................151