Callroute for Microsoft Teams Direct Routing

Deploy Direct Routing for Microsoft Teams in minutes. No PowerShell knowledge required. Manage all user and resource account numbers and voice policies from Callroute’s self-service portal.

Connecting Teams to the PSTN
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Why choose Callroute for Direct Routing?

Callroute for Microsoft Teams is a truly complete voice enabling and management solution. Using Callroute, you can connect your existing voice carriers or new ones to Microsoft Teams and enable Teams voice for your users within a few minutes.

Not only does Callroute handle all the voice routing between Microsoft Teams and your carriers it also offers complete management of number assignments through our self-service portal which is secured by multi-factor authentication and roles based controls.

In addition, Callroute comes complete with full number management and automation that makes managing Microsoft Teams voice services simple.

What is Direct Routing for Microsoft Teams?

In simple terms, Direct Routing for Microsoft Teams enables external PSTN calling from Microsoft Teams — users can place and receive regular calls directly from the platform. Direct Routing is an alternative to Microsoft Calling plans and Operator Connect and has been extensively adopted due to it being the most flexible way of connecting the PSTN to Microsoft Teams. 

Microsoft Teams’s rapid growth as an essential business tool seemingly knows no bounds. The communications app already has over 270  million users worldwide (June 2022), with almost 12 million of those users now using Teams for their phone system. 

Here at Callroute, our unique Direct Routing solution allows companies to enjoy full feature set of Direct Routing and integrate their PBX (Private Branch Exchange) with Microsoft Teams, all in minutes.

Start using Callroute and start making external phone calls using Teams today.

Seamlessly integrated with Microsoft Teams Phone System

Callroute is the only voice solution you need for Microsoft Teams.

Connect Any Carrier

Use your existing service provider and connect them to Teams

PSTN Replacement Services

No carrier? No problem, use Callroute's built-in PSTN calling services

SIP Phone Support

Use existing 3PIP phones without SIP Gateway

Call Recording

Record business calls for compliance

Automated Provisioning

Automatically assign numbers to new users

Automated Failover

Failover to mobile when Teams is offline

How Callroute's Direct Routing for Microsoft Teams Works

Direct Routing FAQs

What are the pre-requisites for Callroute's Direct Routing?

You will need a spare Microsoft 365 license that enables Microsoft Teams (F3, E1, E3 or E5) and a spare Teams Phone System License. In addition, you will need a service account with the requires admin roles assigned

Are you a certified Direct Routing Provider?

There is no such Microsoft partner certification for Direct Routing providers. However, we do use certified Microsoft Teams Session Border Controllers to ensure our connection with Microsoft is supported.

What happens if there is an outage affecting Microsoft Teams?

Microsoft Teams has a global resilient network. Should a primary region suffer an outage, we will automtically fallback to the secondary region and tiertiary region if required.


In the unlikley event that a global Teams voice outage occurs, our system will detect this and automatically divert incoming calls to user’s mobiles

I don't have a carrier, can I use Callroute?

Yes. In addition, Callroute is a PSTN service provider and can enable global calling out of the box.

What changes do I have to make in the Teams Admin Center?

None. Callroute is completely self-service. Our system does all the configuration and user setup tasks you’d normally have to use PowerShell and Teams Admin Center for.

Do I need an SBC?

No. The connection between your carrier and Teams is performed using our cloud based, elastic scale SBCs meaning that you do not need any additional infrastructure.

Intermittent Microsoft Teams calling issues reported globally. This issue appears to be affecting all Microsoft customers worldwide. Microsoft are currently investigating the issue. All Callroute systems are fully operational. More information will be provided as soon as possible.