Gartner Research

How the Transition From Skype for Business to Microsoft Teams (Office 365) Will Disrupt Your Microsoft UC Strategy

Published: 22 August 2018

ID: G00326927

Analyst(s): Mark Cortner


With Microsoft replicating Skype for Business functionality in Microsoft Teams, technical professionals responsible for Microsoft-based UC strategies must reassess their current or planned Skype for Business implementations, and their forward-looking UC strategies.

Table Of Contents


  • What Is Microsoft Teams?
  • The Timing of the Shift to Microsoft Teams Will Vary
  • Microsoft Teams Will Be Immensely “Sticky”
  • Seven Major Impacts Related to the Shift Toward Microsoft Teams
    • Impact to Implementation Models
    • Impact to Instant Messaging (Chat) Functionality
    • Impact to Online Meeting Functionality
    • Impact to Voice Calling and Telephony Functionality
    • Impact to Architecture Used to Support On-Premises Integration
    • Impact of the New Phone System Direct Routing Approach for Cloud PSTN Connectivity
    • Impact to the Desktop Software Client and Mobile App User Experiences
  • Strengths
  • Weaknesses


  • Assess the Impacts of a UCaaS Strategy Shift to Microsoft Teams
  • Decide If and How Skype for Business and Microsoft Teams Will Coexist
  • Plan Your Microsoft-Based UC Strategy Knowing That Teams Is the Focus

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