CallTo365 - Microsoft Teams SIP Integration
Simple and affordable

Call with Microsoft Teams

Make incoming and outgoing phone calls directly from Teams, on any device, with your existing company phone system or VoIP solution.

Call with teams

Keep your current PBX or SIP Trunks with all the features you rely on.

CallTo365 was developed with Microsoft and Audiocodes and enables you to connect Office 365 to your existing telephone systems while retaining all functionality.

Existing phone numbers, routing and call center functionality can be configured in the telephone system and used from within Microsoft Teams.

Employees can make and receive calls over the existing telephone system using Microsoft Teams. On every device, wherever they are.



Connect your existing business phone system with Microsoft Teams

Easy to use

Start calling with Teams in less than 15 minutes


Add or remove users at any time, you only pay for what you are using.


Harness the power and security of the Microsoft Cloud


Save up to 50% of your monthly costs by switching today.

Free trial

Try our product free for 30 days up to 25 users

Are you ready to start Calling with Teams?

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