Direct Routing numbers in Call Queues and Auto Attendant

It is now possible to use Direct Routing numbers for Call Queues and Auto Attendants hosted in Teams / Phone System. Direct Routing is function that allows you to bring your own SIP-trunk instead of using phone numbers provided by Microsoft will Calling Plans. To be able to use your own DR-number for a Call Queue (CQ) or Auto Attendant (AA) you have to create a resource account that you assign a phone number to.

1. Create resource account

First create the Resource Account. You can do this in Teams Admin Console. Expand Org-wide settings and select Resource accounts.

You will see all existing resource accounts and to create a new one click on the New account button.

Enter the information about your new account; Display Name, Username (select domain) and Resource account type (should be Call queue).

You can also create your resource account with powershell. There is two different Applications IDs you can set, one for Call Queues and one for Auto Attendants.

  • Auto Attendant: ce933385-9390-45d1-9512-c8d228074e07
  • Call Queue: 11cd3e2e-fccb-42ad-ad00-878b93575e07
New-CsOnlineApplicationInstance -UserPrincipalName resoureaccount@lync.se -ApplicationId “ce933385-9390-45d1-9512-c8d228074e07” -DisplayName "Resource account"

2. Assign a license

Currently you have to assign a license to your resource account, Microsoft will change this to a cost-free license model. Assign a Office 365 E1, E3 (Phone System add-on) or E5 ). If you don’t assign a license you will get an error in the next step.

Assign licenses to users in Office 365

3. Assign number to resource account

For this step we have to switch to Powershell. Connect to Skype for Business Online Powershell module and run the following command.

Set-CsOnlineApplicationInstance -Identity drcallqueuetest@lync.se -OnpremPhoneNumber +46890510

4. Assign resource account to an existing Call Queue

Go back to resource accounts in TAC and select the resource account you create. In the top menu select Assign/unassign.

You should see the phone number that you assign with powershell and you should be able to select an existing CQ in the select a call queue drop down, select a CQ and click save.

You can assign multiple resource accounts to one Call Queue or Auto Attendant, so if you had a service number provided by Microsoft before you can keep that and assign your own Direct Routing number as a second number.

Wait a while for everything to sync in Office 365 and then you should be able to call your number and get routed to your Call Queue.

When I tried this the first time in our tenant I got an 404 error when the SBC routed the call to Teams. I had to start a support case with Microsoft Support, they escalated the case and after a couple of days it started to work. Microsoft Support were not able to say if they did anything or if it just were the waiting time that solved this. After the first number were solved we did not have more 404 error with new numbers.

Linus Cansby

Consultant work at UClarity, based in Göteborg, Sweden. Been working with Exchange, LCS, OCS, Lync, Skype, Teams and related stuff for a while. Mostly writing tips and news after getting questions from customers.

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1 Response

  1. July 14, 2019

    […] lately, Microsoft announced that Auto Attendants and Call Queues can now be used with Direct Routing numbers. A few good blog posts followed on how you can configure this: e.g. Randy Chapman and Linus Cansby […]

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