User Guide for the SIP-T42G IP Phone741. Press the OK soft key to activate auto redial.The LCD screen prompts the following:2. Wait for a period of time or press the OK soft key to redial the phone number.The phone will retry as many times as configured until the called party is idle.You can use call completion to notify the caller who failed to reach a desired calleewhen the callee becomes available to receive a call.To configure call completion via web user interface:1. Click on Features->General Information.2. Select Enable from the pull-down list of Call Completion.3. Click Confirm to accept the change.