Samsung HM1800 用户手册

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页码 161
15
English
Disconnecting the headset
Turn off the headset or use the Bluetooth menu on your phone.
Using call functions
Available call functions may differ from phone to phone.
Some functions are only available when using the Hands-Free profile. 
Making a call
Redialling the latest number
To redial the last number dialed on the primary phone,
Press the Talk button.

To redial the last number dialed on the secondary phone,
Press the Talk button twice.
Some phones open the call log list on the first press of the Talk button. Press the 
Talk button again to dial the selected number.
Dialling a number by voice
Press and hold the Talk button.