Make and receive calls on any device — right inside Teams.
Fusion and Call2Teams voice-enable Microsoft Teams around your existing enterprise telephony. Quick, simple, one-click deployment — and we do the work.
Teams-first calling, without the rip-and-replace.
Works with any phone system
Any PBX or SIP trunk provider. No need to change numbers, phone system or carrier.
Flexible rollout
Per-user, per-month provisioning and billing with a user-by-user rollout.
Global scope
Runs in Microsoft’s Azure cloud from super-clusters on four continents.
Native phone app
Dialing in Teams without additional Microsoft calling licenses.
Teams PBX integration
Call2Teams patches directly to your PBX, so call flow works from day one.
World-class support
24x7x365 support from skilled Fusion technicians and analysts.
Have questions? We have answers.
Is Microsoft Teams calling easy to set up?
Yes. Fusion delivers a fully integrated experience and does all of the work for you.
What can I expect from the service?
Everything Microsoft Teams offers out of the gate, plus a phone app that passes call traffic from your PBX to Teams.
Do I keep the redundancy I’m used to from Fusion?
Yes. It’s fully integrated with our diverse-carrier systems.
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Learn moreReady to hand off your telecom headaches?
One call is all it takes. The engineers who built our network are the ones who pick up — and they’ll design a solution around how your business actually runs.