26M Teams Phone Users, Claude Coming to Microsoft 365 Copilot by default
Teams Phone hits 26 million PSTN users, up from 20M in April 2024. Anthropic's Claude models arrive in Microsoft 365 Copilot on by default (EU and UK tenants excepted) with a 7 January opt-out deadline, plus GPT-5.2, a $21 Copilot Business SKU, Planner changes and Immersive Events GA.