--- title: "MS Teams - Assign Direct Routing Numbers For CallTower" slug: "ms-teams-assign-direct-routing-numbers-for-calltower" tags: ["calltower", "public"] updated: 2026-09-18T13:24:07Z published: 2026-09-18T13:24:07Z canonical: "learn.calltower.com/ms-teams-assign-direct-routing-numbers-for-calltower" --- > ## Documentation Index > Fetch the complete documentation index at: https://learn.calltower.com/llms.txt > Use this file to discover all available pages before exploring further. # MS Teams - Assign Direct Routing Numbers For CallTower ## Summary: This article is intended for CallTower Teams Direct Routing customers who do not use CallTower's Voice Connector App in CallTower Connect. The user must be created in CallTower Connect and assigned a phone number prior to performing these steps in the Teams Admin Center. (or use the Pilot Number section for GCCH users) Login into the Teams Admin Center as a 365 Global Administrator or Teams Administrator: [https://admin.teams.microsoft.com](https://admin.teams.microsoft.com) On the left-hand side click on **Users>Manage users** Search for the user that needs to have a direct routing number added and click on the **Display** name ![clipboard_eeb7027961f91c6face5a5dc5c9377ac0.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_eeb7027961f91c6face5a5dc5c9377ac0.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) Under the **Account** tab click E**dit** next to General information ![clipboard_eb453cfeec2e4afad8e1a0305d599dfe7.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_eb453cfeec2e4afad8e1a0305d599dfe7.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) Add the phone number to the assigned phone number field in the format shown below with the 1 in front and then click **Apply** To Remove the number just blank out the **Assigned phone number** field then click **Apply** ![clipboard_e46b45135052744dd2f8732d15fcf16a7.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_e46b45135052744dd2f8732d15fcf16a7.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) This message will pop up , click **Wait** ![clipboard_efa450be97cad12d03d3a5ab4ee5e107f.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_efa450be97cad12d03d3a5ab4ee5e107f.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) Click on **Policies** and then click **Edit** next to Assigned policies ![clipboard_efc0bb934ebebcd261080d66a6e8d651e.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_efc0bb934ebebcd261080d66a6e8d651e.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) Scroll down to **Voice routing policy** and drop down to select **CallTower Route** then click **Apply**. To remove the voice routing policy drop-down, select Global then click **Apply**. ![clipboard_e84151fdc8d218a5f17a3694e4b6a9c8b.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_e84151fdc8d218a5f17a3694e4b6a9c8b.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) ## PowerShell Cmdlets to remove numbers and assign numbers (These instructions apply to Teams Direct Routing Commercial without Service Account) **You must connect to the Microsoft Teams PowerShell Module using a 365 Global Administrator or Teams Administrator account.** Connect-MicrosoftTeams **Assign number to the user** - `Set-CsPhoneNumberAssignment -Identity username@domain.com -PhoneNumber +18015551212 -PhoneNumberType DirectRouting` **Assign Voice Routing Policy to the user** - `Grant-CsOnlineVoiceRoutingPolicy -Identity username@domain.com -PolicyName "CallTower Route"` **Remove number from the user** - `Remove-CsPhoneNumberAssignment -Identity username@domain.com -RemoveAll` - `Grant-CsOnlineVoiceRoutingPolicy -Identity username@domain.com -PolicyName "$null"` #### GCC High Powershell Cmdlets: > [!NOTE] > Important Note: > > This section only applies to GCC High O365 Tenants all commercial tenants should use the section above. > [!NOTE] > Important Note: > > Pilot Numbers added to the list will reflect on your bill even if they are not assigned to users. Be sure to remove the Pilot Number from the list if they are not being used. **You must connect to the Microsoft Teams PowerShell Module using a 365 Global Administrator or Teams Administrator account.** Connect-MicrosoftTeams -TeamsEnvironmentName TeamsGCCH **Assign number to the user** - `Set-CsPhoneNumberAssignment -Identity username@domain.com -PhoneNumber +18015551212 -PhoneNumberType DirectRouting` **Assign Voice Routing Policy to the user** - `Grant-CsOnlineVoiceRoutingPolicy -Identity username@domain.com -PolicyName "CallTower Route"` > [!NOTE] > Important Note: > > When assigning a number to a resource account only assign the voice routing policy if you need to have the ability to transfer to an external number -- all regular users will need to have this policy applied **Remove number from the user** - Remove-CsPhoneNumberAssignment -Identity username@domain.com -RemoveAll - Grant-CsOnlineVoiceRoutingPolicy -Identity username@domain.com -PolicyName "$null" **Route Phone Number in CallTower Connect** Click the magnifying glass and search for Pilot Numbers `` Click Add ![clipboard_e24bd64fd5b3a9201896cfb324b45dd70.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_e24bd64fd5b3a9201896cfb324b45dd70.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) Use the drop down to select the Type of Number and then the Number and then click the 3 lines and then click the Save button ![clipboard_ec08b6edf304d7d4eb1894867b21c39f6.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_ec08b6edf304d7d4eb1894867b21c39f6.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) ![clipboard_eda937b7c2253d61b4ce5fb764261572d.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_eda937b7c2253d61b4ce5fb764261572d.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) ![clipboard_e641033991f7b4f6bdcc163bde59173ce.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_e641033991f7b4f6bdcc163bde59173ce.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) You can delete a Pilot Number from the list by clicking on the ![clipboard_ed59a2a97f04b409370f4fc959d368cf3.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_ed59a2a97f04b409370f4fc959d368cf3.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) on the right hand side of the Pilot Number list Then click the Delete Button ![clipboard_ea1a69488bedf3c473df2160e4359b13d.png](https://cdn.us.document360.io/4662144b-ab1f-4796-8b7b-e9f9c609894f/Images/Documentation/clipboard_ea1a69488bedf3c473df2160e4359b13d.png?sv=2026-02-06&spr=https&st=2026-11-04T18%3A18%3A07Z&se=2026-11-04T19%3A18%3A07Z&sr=c&sp=r&sig=lPUb6ILn%2FOzwu3yNo%2BsBzolzduy4ZvAyYNdLKlUIsmU%3D) CallTower Connect is is CallTower’s online management portal that lets administrators easily manage users, phone numbers, services, reporting, and communication settings all in one place.