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Creating a CallTower Service Account for Teams Direct Routing Implementation


After completing this how-to you will have an account to provide to your CallTower Implementation Manager or Support contact, or to directly populate in CallTower Connect.

First Step

Begin by Launching your Microsoft 365 Admin Center and browsing to the Users section.


Second Step

Then continue with by clicking on "Add a user" and fill out the form. You may use any Name required to signify the purpose of this account. We recommend generating a password with new fewer then 24 characters, you may use this 3rd party service to generate that password:


Enter the Email Address of your Project Manager, Support Rep or Yourself as needed. Then Click Next.

Third Step

Select "Create user without product license" 


Then Click Next.

Fourth Step

Select "Admin center access" then select "Global Administrator" and "Teams Administrator".


use the "Show all by category" drop down and select "Skype for Business Administrator" as well.


Then Click Next.

  Important Note:  The "Global Administrator" role is temporary and this role should be removed after the service has been enabled. "Global Administrator" role is only required to add the sub domains for access to CallTower SBC's as well as adding activation users to those domains with the correct licensing. Once that process has completed only the "Teams Administrator " and "Skype for Business Administrator" roles are required so that CallTower Connect can assign numbers to both users and resource accounts. 

Fifth Step

Review the final configuration of the service account.


If everything appears correctly click "Finish adding".


Copy any details you need to retain then click "Close"

IMPORTANT NOTE: Check to make sure this service account is excluded from any Conditional Access Rules or MFA requirements. CallTower Connect, Will be unable to process the required PowerShell to configure your tenant when MFA is enforced for the account. 

What's Next

Next confirm with your CallTower Project Manager or Support Rep that they have received the username and password in email. 

NOTE: Alternatively you can work with your Project Manager to populate the username and password directly into your CallTower Connect portal.

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