Samsung HM1200 用户手册

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页码 127
14
Using call functions
Available call functions may differ from phone to phone.
Making a call
Redialling the latest number
To redial the latest number on the primary phone,
Press the Talk button.

To redial the latest number on the secondary phone,
Press the Talk button twice.
For some phones, pressing the Talk button opens the call log list. Press the 
Talk button again to dial the selected number.
Dialling a number by voice
Press and hold the Talk button and say a name.
This function is only available on the primary phone using the Hands-Free 
profile.
This function may not be available on some devices.