https://www.m365.fm/entity/teams-calling-plans/Microsoft's PSTN offering for Teams Phone in which Microsoft acts as the carrier, supplying numbers and per-user minute bundles in a limited set of countries.enhttps://www.m365.fm/community/u/mirko-p/blog/calling-plans-explained-microsoft-teams-voice-demystified/https://www.m365.fm/community/u/mirko-p/blog/calling-plans-explained-microsoft-teams-voice-demystified/Thu, 14 May 2026 08:22:20 -0000articleLearn Microsoft Teams Calling Plans, PSTN connectivity options, licensing considerations, and practical planning steps for business calling.