Polycom 1725-16829-001 ユーザーズマニュアル

Controlling What is Heard 

Using the Basic Features of Your Phone

Polycom, Inc. 

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You can change the volume of what you hear during a call.

During a call, press either 

 or 

 to lower or raise the 

speaker volume.

You can change the volume of your phone’s ring tone.

When your phone is idle, press either 

 or 

 to lower or 

raise the ringer volume.

Mute the microphone so that the other party (or parties) cannot hear you. 

Microphone Mute applies to all modes (handset, headset, and speakerphone). 

You can still hear all other parties while mute is enabled.

During a call (including a conference call), press 

.

The Mute key, 

, glows red, and 

 displays next to 

near-site video. The other party (or parties) cannot hear you.

Press  

again. 

The red light behind the Mute key, 

, turns off, and 

 no 

longer displays next to near-site video.The other party (or parties) can hear 

you.

To conform to regulatory requirements, handset and headset volume will return to a 
preset level after each call, but your system administrator can change this. 
Speakerphone volume settings will be maintained across calls.