User Guide for the SIP-T28P IP Phone 
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To use call completion: 
When the called party is busy, the following prompt will appear on the LCD screen of the 
phone: 
 
1.  Press the OK soft key, the phone returns to the idle screen and call completion is 
activated. 
When the called party becomes idle, the following prompt appears on the LCD 
screen of the phone: 
 
2.  Press the OK soft key to redial the number. 
Note 
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->Memory Keys (or Line Keys). 
2.  Select a desired DSS key. 
3.  Press          or          , or the Switch soft key to select Key Event from the Type field. 
   
Call completion is not available on all servers. For more information, contact your system 
administrator.