How To Mute A Call; How To Set A Call On Hold - Polycom IP 331 User Manual

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How to mute a call ?

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Press the "Mute" button (11)
The microphone is muted
(with the handset and in
handsfree state)
Basic telephony features (3)
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How to set a call on hold ?

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www.escaux.com
Press the "Hold" button (6)
Music is played to the caller.