Exchange Online Unified Messaging is retiring. What’s next......

Microsoft revealed their exchange server 2019 and the biggest change was Unified Messaging no longer available. When users who enabled UM to migrate from exchange 2013 or 2016 to exchange 2019, UM is disabled automatically. Further users need to use Azure Voicemail or customers need to implement a new voicemail solution as a replacement for voice mail. One possibility is, develop to store voicemail separate of exchange Server. Therefore, AVST and its CX-E platform can be used.

Microsoft is removing Unified Messaging (UM) from Exchange online and introducing Cloud Voicemail and Auto Attendant services. To use this solution, customer need an Office 365 subscription with a Skype for business Online Plan 2 License.

The Cloud Voicemail in Azure takes the position of the old Exchange UM roles which all of us familiar with previous exchange versions.  There are many befits of using Cloud Voicemail Online. Could Voicemail users Azure feature based in Microsoft Global Network to facilitate flexibility and scalability.

Advantages of using online voicemail:

  • Access to the voice message in the client's Exchange post box by utilizing Skype for Business Online or Outlook customers
  • The capacity to utilize the Office 365 electronic gateway to oversee phone message alternatives
  • Voice message noting and store usefulness with upgraded discourse interpretation
  • Backing for Exchange letter drops on-premises or in the cloud
  • Utilizing of existing client welcome from Exchange Online Unified Messaging


If a customer using Lync Server 2013 or Skype for Business 2015 integrated with Exchange UM Online, Microsoft will changeover to Cloud Voicemail. Customers will be informed about migration via Office 365 Message Centre by Microsoft when it schedules the migration.  The administrator must recreate Auto Attend in Could Auto Attendant and change over phone number too.

High-level steps to configure Voicemail Online

  • Configure Tennent and Azure AD Connect
  • Configure Hybris connectivity


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