Ensure your meter is connected to an analog phone line.
From the Home screen
- Press Menu
- Use arrows to locate and select Data Centre Options
- Select Phone settings
- Ensure Dial tone is set to Tone
- If you require a number to dial an outside line, select Dialing prefix
- Use the keypad to enter a value, 9 as an example.
- Select Accept
- Press Enter to accept these changes
- Press Home
UPDATED: February 11, 2021