Hi @Vinod Survase ,
I've checked the Licenses and found that the Security E3&E5 are not including the Audio conferencing service:
Oh you may mean this:
You can login to your Microsoft 365 Admin Center > Show all > Billing > Purchase Services.
https://admin.microsoft.com/Adminportal/Home#/catalog/offer-details/microsoft-365-audio-conferencing-adoption-promo/C222B925-F8BA-4D92-ADDC-4C82880B0ABC
Best regards,
Lou
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.