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TeamsPhone is an Office 365 telephony add-on that connects an existing phone system or legacy PBX to Microsoft Teams via Direct Routing, turning Teams into a softphone for internal and external calls. It provides 1-click deployment and complete automation of Direct Routing, works with most IP PBX brands, preserves numbers and calling plans, and requires no extra hardware. The service unifies voice communications in Teams, enabling remote workers to use the same app across devices with secure, encrypted calling and Microsoft Identity-based authentication.
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