Tutorials: Add Outbound Rules (V20)

Required Access: 3CX

Last Updated: 5/22/2025

Enter your credentials.

Click on the "Admin" button on the lower left side of the screen.

Select the "Outbound Rules" tab.

Click on the "+ Add" button each time you create a new rule.

Click on the "Save" button after you configure each Outbound Rule.

Enter the following:

• Rule Name: Outbound 10 Digit
• Calls to numbers with a length of: 10

Enter the following:

• Route 0: Voxtelesys
  • Prepend: +1

Enter the following:

• Rule Name: Outbound 11 Digit
• Calls to numbers with a length of: 11

Enter the following:

• Route 0: Voxtelesys
  • Prepend: +

Emergency numbers are configured in another tab in 3CX.

Please follow our Emergency Rule (V20) tutorial.

For adding 988, follow the image to the right.

Enter the Following:

• Rule Name: International
• Calls to numbers starting with prefix: 011

Enter the Following:

• Route 0: Voxtelesys
  
  • Strip Digits: 3
    
  • Prepend: +

Enter the Following:

• Rule Name: Set it to a name of your choice. The rule name is set to "7 digit" in our example you could use the area code for the name too.
• Calls to numbers with a length of: 7

Enter the Following:

• Route 0: Voxtelesys
  
  • Prepend: Set it to the area code you would like to prepend. The prepend is set to "+1701" in our example.

Verify the outbound rules after creating.