The most advanced Microsoft Teams integration for service providers connecting a PBX, SIP trunks or SMS to Teams.
Free 30-day proof of concept for service providers.

TeamMate works with the world’s leading cloud and on-prem PBX systems, and most SIP trunks, for calling in Microsoft Teams Phone.


























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Choosing a Microsoft Teams integration can be a challenge. Here’s how the two solutions stack up in key areas.
Features in this comparison
Only with TeamMate
| Feature | TeamMate | Call2Teams |
|---|---|---|
| Direct Routing setup | Yes | Yes |
| PBX SIP user registration | Yes | Yes |
| Microsoft Teams PSTN calling | Yes | Yes |
| Teams native features | Yes | Yes |
| PBX softkeys in Teams | Yes | No |
| PBX portal in Teams | Yes | No |
| PBX in-call control in Teams | Yes | No |
| Provisioning portal | Yes | Yes |
| SMS in Teams | Yes | No |
| Room for resale margins | Yes | No |
| Your branding in Teams | Yes | No |
| Presence Sync | Yes | No |
| Presence Pause | Yes | No |
| Pro Transfer | Yes | No |
TeamMate is a purpose-built interoperation layer that normalizes communication with any SIP PBX, SIP trunk or SMS gateway. Work in the Microsoft environment with confidence, through a stable management interface and APIs for fast, robust provisioning.
TeamMate integrates with the Microsoft Graph API as it evolves.
Direct Routing and user setup are scripted for you, with no manual PowerShell.
Any SIP PBX, SIP trunk or SMS gateway, managed from one portal and API.
A flexible way to connect SIP trunks to Teams, but it takes a lot of setup and upkeep, including PowerShell scripts and SBC configuration.
Microsoft’s program for certified operators. It takes extensive integration and certification work, and with many providers already in the program, standing out is harder.
Automated Direct Routing makes connecting to Teams a few clicks. A white-label Teams PBX app with notifications, softkeys and a user portal.
Stay in the driver’s seat of your clients’ communications by integrating your services natively with Microsoft Teams.
Use the native Teams dial pad as an endpoint or softphone on a cloud or on-prem PBX. Connect multiple PBX systems to Microsoft 365.
Learn more →VoiceAutomated Direct Routing into Microsoft Teams. Add users, manage settings, limit call paths and set trunk profiles.
Learn more →MessagingLink SMS numbers to Microsoft Teams, so users send and receive SMS on mobile or desktop.
Learn more →Add-onA calling app with your branding, for Teams calling without Microsoft Phone System licenses. An add-on to PBX Connector.
Learn more →Also on the platform: Operator Connect Express, Teams Call Recording, ChatBridge and AI Voice Agents.
Your customers add your softphone or SMS platform to their Teams app. No fuss.
With Teams as a softphone on your platform, your calling features are always a tab away.
Keeping communications in one platform means less hopping between tools all day.
“TeamMate’s goal is to empower service providers to stay in the driver’s seat of their clients’ communications needs by integrating their existing service offerings with Microsoft Teams.”
Start a proof of concept to test TeamMate’s Teams Phone integration with your communications platform. We’ll help with setup and configuration.
Free 30-day proof of concept for service providers.