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cal issues.
No.
Item
Action & Function
1
PC Button
Press to enter the softphone dialing screen, answer
or enter a softphone's call.
2
Desk Phone Button
Press to enter the phone dialing screen, answer or
end a phone's call.
3
(Teams Edition) Teams Button
• Hold for 2 seconds to activate Cortana (this
requires Microsoft's support).
• Press to invoke the Teams client in the idle state.
（
UC Edition) Voice Assistant Button Hold for 2 seconds to activate the voice assistant.
4
Mute Button
Press to mute or unmute the microphone.
5
Volume Up Button
Press to turn up the volume.
6
Call Control Button
• Press to answer, reject, or end a call.
• Hold for 2 seconds to activate Cortana (this
requires Microsoft's support).
• Press to invoke the Teams client in the idle state.
7
Volume Down Button
Press to turn down the volume.
