Operational Details
• To redial the number you last called when no call is in progress, press the Multifunction
button for 2 seconds and release
• To answer or end a call, press and release the Multifunction button. To reject a call, press the
Multifunction button for 2 seconds and release
• To accept a call waiting and drop the ongoing call, press and release the Multifunction
button. To accept a call waiting and put on hold to the ongoing call, press the Multifunction
button twice. To accept a call waiting and join to the ongoing call (three-way call), press and
release both the Multifunction and Volume Up “+” buttons.
• To mute or unmute the microphone during a call, press and release both the Volume Up “+”
and Volume Down “-“ buttons.
• To transfer an ongoing call between the WP-450 and your mobile phone, press and hold the
Multifunction button for 2 seconds and release.
• Note that features such as voice dial, last number redial or three-way call are phone
dependent
Clear or reset headset
• Press and hold the Volume Down "-" and Multifunction buttons for more than 6 seconds to
clear the paired Bluetooth devices
• If the headset malfunctions, reset it by supplying USB power, then press the Volume Up "+"
and Multifunction buttons for about 1 second
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