User manual

 Voicemail: When you're away or can't get to the phone, your Voicemail
does the answering for you. Callers can leave recorded audio messages to
you, and you can view, listen to, and manage the messages.

Fixed Dialing Numbers: Add numbers to the FDN list, and when activated,
FDN restricts outgoing calls to only those numbers listed, or to numbers
with certain prefixes.
 Call Forwarding: An incoming call will be redirected to another telephone
number where the desired called party is able to answer. Notice that
appears on the status bar.

Call Barring: Certain types of outgoing calls (such as international calls)
and/or incoming calls will be restricted.

Call Waiting: You'll hear short beeps if someone calls you while you’re on a
call.