Your self-service platform to connect any carrier, in any country to Microsoft Teams.

We put number management, policy management, and PSTN connections into a single portal.

Integrate Microsoft Teams to any operator

Connect your carriers, cloud unified communications, contact center and your PBX users together in one place

Bring Your Own SBC

Connect your on-premises telephony to Teams

Never Miss a Call

Automatic failover when your phone system is offline 

Native Calling Plans

Use Callroute if you don't have your own

Per Number Routing

Make a routing decision on a per number basis

Connect All Your PBXs

A single place for all your telephony admin

Save Time on Provisioning

Automated number provisioning for Microsoft Teams users

Bring Your Own Carrier

Keep your existing numbers while connecting PBXs

Deploy in Minutes

Make calls in minutes with our automated one-click deployment

Callroute for Microsoft Teams

Connect your voice services to Microsoft Teams within minutes with our one-click integration. No infrastructure or deep technical skills required.

Automatically assign Direct Routing, Microsoft Calling Plans or Operator Connect phone numbers to users based on provisioning rules.

David Smith

Callroute has enabled us to significantly accelerate the deployment of Microsoft Teams telephony projects and simplify user migration from traditional telephony environments. Partnering with Callroute has enabled us to really differentiate our offering in the market.

David Smith

Dynamic Networks Group

Connect your phone systems to Microsoft Teams

Consolidate your PSTN connections and connect your phone systems to make on-net calls.

Move users between your phone systems and keep their original number.

Benefits of Callroute

Callroute delivers PSTN integration with UCaaS, CCaaS, and on-premises telephony equipment. Our unique technology automates deployment via a self-serve portal, meaning you are making calls in just a few minutes.

Reduce 40% calling costs on average
Scalable to 100,000s of users
No need to migrate providers
No need to change devices
Global availability
Native Microsoft Teams integration
Native Webex Calling integration
ISO 27001:2013 & ISO 9001:2015 Accredited

Automate your business continuity plan

Keep your phone lines open during unforeseen outages with automated failover to your chosen backup service.

Instantly divert calls to alternate phone systems or to end user mobiles when Callroute detects a failure. Seamless failback to business as usual when service is restored.

Coolwave delivers 2 Way Voice services across 72 countries. Partnering with CallRoute has enabled us to quicky extend our service offering to integrate with Microsoft Teams, Webex Calling and SIP based telephones without the need for any additional infrastructure or specialist services. With our Cool Operator platform we can collectively provide unique call packages specifically tailored to the customers business requirements.

Ronan Higgins -


What's new

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.