Migrating to Teams Phone: The Step-by-Step Technical Guide0%
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    Cloud·18 Nov 2025

    Migrating to Teams Phone: The Step-by-Step Technical Guide

    By Helion Cloud Team

    Operator Connect, number porting, IVR, CRM integration: here's how a migration to Teams Phone actually unfolds.

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    Decided to switch to Teams Phone? Here's how the migration actually unfolds, from technical preparation to cutover day.

    01

    Teams Phone: a modern PBX

    Inbound and outbound calls, voicemail with transcription, call transfers, conferencing, IVR to greet callers, call queues. All from the Teams interface.
    02

    Operator Connect: deployment simplicity

    Operator Connect links Teams to the phone network via partner operators. No need for on-premise SBC. Numbers are ported directly in Teams. Deployment in days. To compare costs with traditional telephony, see our detailed Teams Phone vs PBX comparison.
    03

    Microsoft integration

    Call history integrates with Dynamics 365 CRM. Outlook contacts are accessible. Recording and transcription are native. A unified experience.
    04

    Savings and simplification

    Eliminate PBX maintenance costs. Reduce telecom providers. Simplify billing. One tool for all communications.

    Summary

    Telephony-collaboration convergence is a reality with Teams Phone. Helion Cloud supports companies in migrating their telephony to Teams.

    Need support

    Our team of experts based in Lille supports companies across France, Belgium and Europe. Available Monday to Friday.