Even internet users in Exchange do not have mailstore. It is simply an SMTP re-direct or "contact" in AD and Exchange. If you were to add any Subscriber to Unity, you must have an AD account and Exchange Mailbox. You can however, hide the mailboxes from the Global Address List so they are not visible to your email users on the Exchange server.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...