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Using Your 4620/4620SW/4621SW IP Telephone
28 4620/4620SW/4621SW IP Telephone User Guide
Retrieving the held call
Press the Line/Feature button on which the call is being held, or press the Hold ()
button.
The call is now active.
Mute
During an active call, the Mute feature prevents the party with whom you are speaking from
hearing you. You generally use this feature in conjunction with the Speaker, but you can hold an
off-line conversation at any time during a call.
Preventing the other person on the line from hearing you
1. Press the Mute ( ) button.
The other party cannot hear you. The indicator next to the Mute button lights when Mute is
active.
2. To reinstate two-way conversation, press the Mute ( ) button again.
Speaker
A two-way, built-in Speaker allows you to place and answer calls without lifting the handset.
Note:
Note: It is also possible to disable the Speaker feature or limit it to one-way operation. If
your Speaker does not operate as indicated, contact your System Administrator
to ensure that your telephone's Speaker is properly administered.
Placing or answering a call without lifting the handset, or using the Speaker with
any feature
1. Press the Speaker ( ) button.
The indicator next to the Speaker button lights and the Speaker handles voice control.
The first available call appearance line activates.
2. Place or answer the call, or access the selected feature.
3. Adjust the Speaker volume if needed by pressing the Volume Control ( )
button until you reach the desired volume level.
As you press the Volume Control button, the top display area shows the volume level.