Configure the telephony settings
Create the SBC
1. Log in to Teams Admin and go to Voice -> Direct Routing. Click "Add"

Set the following SBC parameters and leave the rest at Default:

NB: Minimum 24 or #users divided by 4
Create the Voice Route
2. In the Teams admin panel go to Voice -> Direct Routing -> Voice Routes and click “Add”

3. Enter the Route name
CTELO-WE1
Set Priority to 1, and Dialed Number Pattern to “.*”

4. Click “Add SBCs” and select the SBC created in point 1.

5. Click “Add PSTN Usage”, click “+ Add”, input the Voice Route name (e.g. CTELO-WE1), tick the check-box and click “Save and apply”

CTELO-WE1
CTELO-WE1
Configure a voice routing policy
6. In Teams Admin panel go to Policy for voice routing.
Click “Add”. Give the policy the same name as the Voice Route (e.g. CTELO-WE1).
Click “Add PSTN Usage”. Choose the one created in point 5. Click “Apply” and “Save”

