Siemens U15 사용자 설명서

You can dial pre-programmed numbers stored on your 

phone. Your phone may come programmed with one 

or more quick dial numbers, such as the customer 

service number. 

To open and dial numbers on the quick dial list.

Your service provider may use a different name for this 

feature.
To edit the quick dial list:

You can send numbers to the network as dual tone multi-

frequency (DTMF) tones during a call. Use DTMF tones to 

communicate with automated systems that require you to submit 

a PIN code or credit card number.

You can set DTMF tones to be 

, 

, or 

:

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