Microsoft Teams Phone Integration

PSTN stands for the public switched telephone network, the regular phone network that connects calls to any phone number, not just other Teams users.

An SBC (Session Border Controller) is the small device or software that securely connects your phone line to Microsoft Teams. It's what makes Direct Routing possible.

Each Teams user needs a Microsoft user license plus a Phone System add-on, together, this is your Microsoft Teams VoIP license setup. We handle activation and assignment as part of onboarding, so you don't have to sort out licensing yourself.

Direct Routing lets you keep your current phone numbers. We connect it to Microsoft Teams using a small bridge device called an SBC, so nothing about your existing numbers has to change.