Direct Routing lets you connect a supported Session Border Controller (SBC) to Microsoft Phone System to enable voice calling feature
● open "admin.teams.microsoft.com" , go to ”Voice“ -> "Direct Routing" -> Add, set port to 5061, and Enabled it
● finish add, you will see like this, forget error
● "Voice routes" -> Add
● Set a name , change "Dialed number pattern" to .*
● in "SBCs enrolled" -> Add SBCs, select SBC device
● in "PSTN usage records" -> Add , name a record and select, save and apply
● here is final setting
● "Dial plans" -> Add
● depend on your habit setting "Normalization rules"
● in "Test dial plan" you can input number to test dial plan
● in ”Voice“ -> "Voice routing policies" -> Add
● ”Add PSTN usage records“ , select and apply
● in ”Users“ -> "Manage users" -> choose user user "Edit" , in "Account" Tab -> Assign phone number
● in "Policies" Tab -> scrool down find "Dial plan" and "Voice routing policy" Edit it, Select correct one
