Can our main business number work with Teams?
Teams calling integrations can support business numbers and call routing when the selected licensing and voice architecture are appropriate.
Do we need new phones?
Some organizations use headsets or apps; others retain compatible desk devices. The right mix depends on roles, spaces, and platform support.
Can Teams replace our current PBX immediately?
A staged assessment is safer. Call flows, numbers, devices, network readiness, integrations, and user needs should be documented first.