Creating a Bot Channel Registration (App Registration and Bot Service)
Step 1 - Log in to the Azure portal.
Step 2 - Search for Bot Channels Registration in the search box on the top, then click on the link under the Marketplace section.

Step 3 - In the left panel, provide a unique name at the Bot handle, then select the Subscription, the Resource group, and the Location of the bot channel registration. The Location should be the same region where the Verba Bot virtual machine resides in Azure.

Step 4 - Click on the Create button. Creating the Bot Channel Registration may take some seconds. Azure will acutllay create an App Registration and a Bot Service assigned to it.
Adding a Teams Channel to the Bot Service
Step 5 - Once the Bot Channels Registration is completed, search for Bot Services in the search box on the top, then click on the Bot Services link under the Services section.
(Alternatively, the Bot Services can be also found by opening the hamburger menu in the upper right corner, then selecting All services, then the AI + machine learning category.)

Step 6 - Select the Bot Service from the list that was created previously using the name provided at Step 3 (Bot handle).
Step 7 - In the second left panel, under the Bot management section, click on the Channels menu.

Step 8 - Under the Add featured channel section select the Teams icon (Configure Microsoft Teams channel).
Step 9 - Select the Calling tab, then tick the Enable calling checkbox.
Step 10 - At the Webhook (for calling) setting, provide the following URL: https://verba_bot_vm.domain.com:9440/api/calling
Replace the verba_bot_vm part with the hostname of the Azure virtual machine which will host the Verba Bot service. At the domain part, use the domain of the Teams tenant (also specified in the SSL certificate).

Step 11 - Click on the Save button. Agree with the terms of service.
Configuring authentication for the App Registration
Step 12 - Search for App registrations in the search box on the top, then click on the App registrations link under the Services section.
(Alternatively, the App registrations can be also found by opening the hamburger menu in the upper right corner, then selecting the Azure Active Directory, then selecting App registrations in the left panel.)

Step 13 - Select the App Registration from the list that was created previously using the name provided at Step 3 (Bot handle).
Step 14 - Take a note of the Application (client) ID and the Directory (tenant) ID. They will be needed later.

Step 15 - Select the Certificates & secrets menu in the left panel.

Step 16 - Under the Client secrets section, click on the New Client Secret button.
Step 17 - Provide a Description, set when the secret Expires, then click on the Add button.

Step 18 - Take a note of the new Client secret. It will be needed later.
Step 19 - In the left panel, under the Manage section, click on the Authentication menu.

Step 20 - Under the Platform configuration sections, click on the Add a platform button.
Step 21 - In the right panel, select Web.
Step 22 - Provide a Redirect URI. It can be any website. Take a note of the URI provided, it will be needed later.
Step 23 - Click on the Configure button in the bottom.

Configuring permissions for the App Registration
Step 24 - In the left panel, under the Manage section, click on the API permissions menu.

Step 25 - Click on the Add a permission button.
Step 26 - Select Microsoft Graph, then select Application permissions.
Step 27 - Select the following permissions:
- Calls.AccessMedia.All
- Calls.Initiate.All
- Calls.InitiateGroupCall.All
- Calls.JoinGroupCall.All
- Calls.JoinGroupCallAsGuest.All
- OnlineMeetings.Read.All
- User.Read.All
Step 28 - Click on the Add permissions button.
Granting admin consent to the permissions
Step 29 - Build the consent URL. The format is the following:
https://login.microsoftonline.com/{tenant_id}/adminconsent?client_id={microsoft_app_id}&state=12345&redirect_uri={redirect_uri}
Replace the {tenant_id} part with the Directory (tenant) ID and the {microsoft_app_id} part with the Application (client) ID from Step 14. Replace {redirect_uri} part with the URI from Step 22.
Step 30 - Copy the previously created consent URL into the browser, then hit enter. Log in with a Teams Service Admin or Global Admin user of the Azure tenant where the Teams environment to record resides. Click on the Accept button. The page will redirect to the webpage provided in the Redirect URI setting.
2N Recording
In the case of 2N recording, all the steps above have to be done twice. Take a note of the second Application (client) ID also at Step 14. It will be needed in the next part of the configuration guide.