HTC Thunderbolt Cell Phone User Manual


 
74  Phone calls
Using Assisted Dialing
Assisted Dialing allows you to easily dial international calls while 
roaming in another country.
Turning Assisted Dialing on
Press HOME    > MENU, and then tap Settings > Call > Assisted
Dialing.
Select the Enable Assisted Dialing check box.
Under Reference Country, select the country that you want to 
call.
Editing a country’s international call settings
Press HOME    > MENU, and then tap Settings > Call > Assisted
Dialing.
Under Reference Country, select the country whose settings you 
want to edit.
Press MENU and then tap Edit.
Edit the Country Code, IDD Prefix (International Direct Dial), 
NDD Prefix (National Direct Dial), Area/City Code and National 
Number Length (length of phone number).
Tap Save.
Resetting the Reference Country to the default
Press HOME    > MENU, and then tap Settings > Call > Assisted
Dialing.
Under Reference Country, select the country whose settings you 
want to set to default values.
Press MENU and then tap Set Default.
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