HTC ONE User Manual page 4

Dial an Extension Number ..........................................................................................46
Return a Missed Call ..................................................................................................46
Call From Call History .................................................................................................47
Call From People ........................................................................................................47
Call Using a Speed Dial Number ................................................................................47
Call a Number in a Text Message, Email Message, or Calendar Event ......................47
Call Emergency Numbers ...........................................................................................48
Make International Calls .............................................................................................48
Set Up Speed Dial .............................................................................................................49
Receive Phone Calls ..........................................................................................................49
In-call Options ....................................................................................................................51
3-way Calling ..............................................................................................................51
End a Call ...................................................................................................................52
Call Services ......................................................................................................................52
Caller ID .....................................................................................................................52
Call Waiting ................................................................................................................52
Call Forwarding ..........................................................................................................53
Call History ........................................................................................................................53
Open Call History........................................................................................................53
Save a Number From Call History ..............................................................................54
Prepend a Number From Call History .........................................................................54
Block a Caller .............................................................................................................55
Erase Call History .......................................................................................................55
Change Ringtone Settings .................................................................................................55
Visual Voicemail ................................................................................................................56
Set Up Visual Voicemail..............................................................................................56
Review Visual Voicemail .............................................................................................57
Voicemail (Traditional) .......................................................................................................58
Voicemail Notification .................................................................................................58
Set Up Voicemail ........................................................................................................58
Retrieve Your Voicemail Messages ............................................................................58
Internet Calls......................................................................................................................59
Add an Internet Calling Account ..................................................................................59
Table of Contents iv