Motorola a920 ユーザーガイド

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Calling Features - 43
To turn on Automatic Redial:
Making an Emergency Call
Your service provider may program one or more 
emergency phone numbers, such as 999, that you can 
call under any circumstances, even when your handset is 
locked or the USIM card is not inserted.
Your service provider can program additional emergency numbers 
into your USIM card. Your card must be active to use the numbers 
stored on it.
Note: Emergency numbers vary by country. Your handset’s 
preprogrammed emergency number(s) may not work in all 
locations, and sometimes an emergency call cannot be placed due 
to network, environmental, or interference issues.
Sending Tones
While you are on a call, you can enter information such as credit 
card numbers, passwords, and extensions by sending tones.
Do This
Tap 
Settings
 > 
Call Control
.
On the 
Basic
 tab, check the 
Auto Redial
 box.
Do This
In the call screen, tap 
keypad
.
Tap the characters you want to send on the keypad.
The characters are sent as tones to the network.