return a call
Your phone keeps a record of your unanswered calls, and shows X Missed Calls, where X is the number of missed calls.
1Press the View key to see the received calls list.
2Scroll to the call you want to return, then press U.
caller ID
Calling line identification (caller ID) 
shows the phone number for an incoming call in your external and internal displays.
Your phone shows the caller’s name and picture when they’re stored in your
44calls
phonebook, or Incoming Call when caller ID information isn’t available.
You can set your phone to play a different ringer ID for an entry stored in your phonebook (see page 52).
To show or hide your phone number from the next person you call, enter the phone number and press M> Hide ID/Show ID.
emergency calls
Your service provider programs one or more emergency phone numbers, such as 911 or 112, that you can call under any circumstances, even when your phone is locked or the SIM card is not inserted.
Note: Emergency numbers vary by country. Your phone’s preprogrammed emergency number(s) may not work in all locations, and sometimes an emergency call cannot be