Plantronics BT300 Call button behaviour with PC and mobile connected (not on a call), Placing a call with your headset and Bluetooth mobile phone, Answering and ending calls with your headset and Bluetooth mobile phone

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To place a call Dial number on your mobile phone keypad.
Redial last number* Double press call button. There will be a double low tone on each press.
A final tone indicates the last number has been redialled.
Activate voice dialling* Press and hold call button for two seconds. First tone on key press start,
followed by a second tone which indicates voice dial is activated.
* Only available on mobile phones that support these features.
To answer a call Short press call button.
To answer a call when already
on an active Microsoft Office
Communicator call
Short press the call button to end the Microsoft Office Communicator
call, then press again to answer your mobile phone call.
To end a call Short press call button.
Redial last number* Double press call button. There will be a double low tone on each press.
A final tone indicates the last number has been redialled.
Reject a call Press call button for one second until you hear a single low tone.
Transfer a call from your
mobile phone to your headset
While on a call, press the call button for one second until you hear a
single tone followed by double low tones.
Transfer a call from your
headset to your mobile phone
While on a call, press the call button for one second until you hear a
single tone followed by double low tones.
* Only available on mobile phones that support this feature.
Call button behaviour with PC and mobile connected (not on a call)
Open a computer audio
connection
Single tap
Redials last number on
mobile phone
Double tap
Starts voice dialling on
mobile phone
Hold call button for 2 seconds
Answering and ending calls with your headset and Bluetooth mobile phone
Placing a call with your headset and Bluetooth mobile phone