Basic  Call  Features 
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1.  Press the OK soft key to redial the number. 
Note 
ReCall 
You can press a recall key to place a call back to the last incoming call. 
To configure a recall key via phone user interface: 
1.  Press Menu->Features->DSS Keys. 
2.  Select the desired DSS key. 
3.  Press          or          , or the Switch soft key to select Key Event from the Type field. 
4.  Press          or          , or the Switch soft key to select ReCall from the Key Type field. 
5.  (Optional.) Enter the string that will appear on the LCD screen in the Label field. 
 
6.  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->Line key. 
Call Mute 
You can mute the microphone of the active audio device during an active call so that the other 
party cannot hear you. You can also mute the microphone while dialing so that the other party 
cannot hear you when the call is set up. It helps prevent the other party from hearing the 
informal discussion when auto answer is enabled on his/her phone. 
Call mute applies to all modes (Handset, Headset and Speakerphone). 
Keep Mute 
Normally, the mute feature is deactivated when the active call ends. Keep mute feature enables 
you to make the mute state of your phone persist across calls. When keep mute is enabled and 
you press the MUTE key, the phone stays in the mute state until you un-mute the microphone 
or until the phone restarts. It helps prevent the other party from hearing the noise coming from 
Call completion is not available on all servers. For more information, contact your system 
administrator.