To control the behavior of your device in a situation when an incoming cellular call interrupts your VoIP call, follow these steps:

  1. Open App
  2. Go to "Keypad" menu
  3. Click "Settings"
  4. Click "Preferences"
  5. Click "Controls"

Use the drop down menu in the "On GSM Call" field:

   - Do Nothing (Default)- your One40 call will remain active while an incoming GSM / Cellular call rings and shows Incoming Call notification on your mobile device.

   - Put Call on Hold - If an incoming GSM / Cellular  call comes in the current One40  call is automatically put on HOLD

   - Play Message -