Skype for Business PSTN Domestic Calling

String ID MCOPSTN1

GUID 0dab259f-bf13-4952-b7f8-7db8f131b28d

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What's included

Curated capability groupings first, then every remaining service plan Microsoft provisions with this SKU — together they're the complete list, nothing is hidden.

Other service plans
Microsoft 365 Domestic Calling Plan