HTC HD2 Mode D'Emploi

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50  Chapter 2  Phone Calls
Tap 
Yes, use number above to dial the displayed number.
To change the prepended code to another country, tap the 
country selection box and choose the country that you want. 
The displayed number now changes with the code of your 
selected country prepended. Tap 
Yes, use number above to 
dial the displayed number.
To turn off home dialing
If you prefer to use direct dialing (that is, manually entering and 
dialing complete numbers) and not home dialing, you can turn the 
home dialing feature off. 
1.  Press the HOME button to return to the Home screen.
2.  On the Home screen, slide to the Settings tab and then tap Menu 
> All Settings.
.  Tap Personal > Phone.
.  At the bottom of the screen, scroll to the right until you see 
the 
Advanced tab.
5.  Tap the Advanced tab and then clear this check box: Add home 
country prefix to phone numbers when roaming internationally.
6.  Tap OK.