Basic Call Features
 
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4.  Press          or          , or the Switch soft key to select ReCall from the Key Type field. 
 
5.  Press the Save soft key to accept the change or the Back soft key to cancel. 
Recall key is configurable via web user interface at the path DSSKey. 
 
You can mute the microphone of the active audio device during an active call so that 
the other party cannot hear you. Call mute applies to all modes (Handset, Headset and 
Speakerphone). 
To mute a call: 
1.  Press     during an active call. 
The LCD screen indicates that the call is now muted. 
 
To un-mute a call: 
1.  Press            again to un-mute the call. 
You can place an active call on hold. Only one active call can be in progress at any time. 
Other calls can be made and received while placing the original call on hold. When you 
place a call on hold, your IP PBX may play music to the other party while waiting.