MS Teams Admin Portal - Normalization Rule

Summary

Normalization rule for extention to 10-Digit dialing for overhead paging. 

Instructions

• From the Teams Admin Center, Go to Voice Menu, select Dial Plan.
• Click into your default org dial plan, you will see a button +(add new rule)
• Once you click + to add a new rule (the menu on the right will appear)
  • Name: Enter the extension number (3- or 4-digit extension)
  • Description: Enter the extension Number (3-or-4-digit extension)
  • Rule Creation Mode: Advanced
  • If Condition (the number dialed matches this regular expression ^\b123\b  
  • Then do this: Add +1 and the 10-digit number