https://learn.microsoft.com/en-us/microsoftteams/pstn-connectivity?redirectedfrom=MSDN
PSTN connectivity options - Microsoft Teams | Microsoft Learn
Learn more about Teams calling (PSTN connectivity) options and the decisions that you'll make for your organization.
pstn connectivitymicrosoft teamsoptionslearn
https://learn.microsoft.com/en-us/MicrosoftTeams/pstn-connectivity
PSTN connectivity options - Microsoft Teams | Microsoft Learn
Learn more about Teams calling (PSTN connectivity) options and the decisions that you'll make for your organization.
pstn connectivitymicrosoft teamsoptionslearn