See Microsoft’s blog page “Microsoft Teams 外部ユーザとテレビ会議をする手順” (in Japanese).

Reference:

• I want to register a guest who does not have @u, @un addresses in the Teams team.
• Can part-time faculty obtain an @u email address?

See Microsoft’s blog page “Microsoft Teams 外部ユーザとテレビ会議をする手順” (in Japanese).

Reference:

• I want to register a guest who does not have @u, @un addresses in the Teams team.
• Can part-time faculty obtain an @u email address?