It’s included with Office 365 E5 and Microsoft 365 E5 plans. For Business Standard you can get a free trial. After the trial, it’s available for $4 per user per month or as a pay-per-minute option.
If you have a chance to check this issue, please check whether our information is helpful.
Hi, if the posted answer resolves your question, please mark it as the answer by clicking the check mark. Doing so helps others find answers to their questions.