Function Key Features Settings1174. Press or Save soft key to save the configurationTo configure DND via Web Interface1. Click Function keys →Memory Key.2. Select the desired Key and select DND in the Type.3. Click the button to save the configuration.To enable DND featurePress the DND soft key when the phone is idle status, and then DND icon shown on the LCD.To disable DND featurePress the DND soft key again, and then there is no DND icon on the LCD.RedialIf the key is configured as Redial key, you can redial the last placed call from the IP Phone.To configure Redial via Web Interface1. Click Function keys →Line key/Memory key2. Select the desired Key and select redial in the Type.3. Enter the Label displayed on LCD.4. Click the button to save the configuration.SMSSend SMSTo send SMS via web Interface1. Click SettingSMS