We migrated from an in house Exchange server to Office 365. Since then, I cannot get my Phone system (Mitel 3300) to forward voicemail to email. I have setup a relay on 365 (I think correctly). I have tried many different settings on the phone system itself, it seems to be a very generic setting for forwarding email. I am testing with my account, I am the admin for all Office 365 mailboxes.