User Guide for the SIP-T40P IP Phone80When the called party becomes idle, the following prompt will appear on the LCDscreen of the phone:2. Press the O K soft key to redial the number.NoteYou 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 Me nu->Features->DSS Keys.2. Select the desired DSS key.3. Press or , or the Switch soft key to select Ke y Event from the Type field.4. Press or , or the Switch soft key to select Re Call from the Ke y Type field.5. (Optional.) Enter a 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.You can mute the microphone of the active audio device during an active call so thatthe other party cannot hear you. Call mute applies to all modes (Handset, Headset andSpeakerphone).To mute a call:1. Press during an active call.Call completion is not available on all servers. For more information, contact your systemadministrator.