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Auto Attendant and Call Queue Shared Voicemail Box Solutions

Katherine Aug 06, 2026

Auto Attendant and Call Queue Shared Voicemail Boxes

Auto Attendant and Call Queue Shared Voicemail Boxes
Auto Attendant and Call Queue Shared Voicemail Boxes

Usually, if a call hits a Call Queue or Auto Attendant it's a team, office, or organizational number that was called and so sending voicemails to the mailbox of just one user doesn't fit this scenario. Microsoft 365 groups are what I typically see, even if a personal mailbox might make sense in some circumstances.

How to set up voicemail on iPhone
How to set up voicemail on iPhone

Learn how to configure and manage Shared Voicemail for Auto Attendants and Call Queues .

How to Setup an Auto Attendant and Call Queue in Microsoft Teams with a ...

Microsoft Teams Auto Attendants and Shared Voicemail
Microsoft Teams Auto Attendants and Shared Voicemail

The purpose of this article is to explain how to setup an auto attendant and call queue in Microsoft Teams with a shared mailbox as the voicemail target. A brief explanation of auto attendants and call queues by Microsoft: " Auto attendants allow you to set up menu options to route calls based on caller input.

Shared Voicemail is a feature in MS Teams that allows calls to be directed to a designated Office 365 group of users. When setting up an auto attendant or call queue , you have the option to assign them to this shared group, functioning as a collective mailbox that will receive all incoming voicemails .

Set Up Automatic Voicemail
Set Up Automatic Voicemail

The Ultimate Teams Shared Voicemail Solution

The second reason I built it like this is that the name of the auto attendant includes the keyword On Call . Because the on- call call queue uses the same naming convention.

A new auto attendant which is set to redirect all calls to voicemail and a resource account to use with the new auto attendant . The reason you need a resource account is because call queues can only redirect calls to a person or a voice app. And the only way to direct to a voice app is by using an associated resource account.

Microsoft Teams Auto Attendants and Shared Voicemail
Microsoft Teams Auto Attendants and Shared Voicemail

The Ultimate Teams Shared Voicemail Solution

Call Flow Diagram This is the example scenario. A relatively simple call flow with an auto attendant which routes calls to a call queue during business hours and redirects to a second auto attendant after hours. The second auto attendant offers callers a choice to either leave a message or get connected to the on- call service.

Zoom Phone admins can share the voicemail inboxes of phone users, call queues , auto receptionists, or shared line groups, allowing other phone users to access voicemail messages.

Everything you ever wanted to know about Microsoft Teams Phone
Everything you ever wanted to know about Microsoft Teams Phone

How to deliver Microsoft Teams voicemails to a shared mailbox

Final thoughts Microsoft Teams Phone continues to improve, but voicemail delivery remains a limitation for organizations that already rely on shared mailboxes. Until Microsoft provides native support for shared mailbox voicemail , Exchange Online transport rules are one effective way to bridge the gap and support real-world call queue workflows.

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Resource account - Choose the resource account associated with the Teams Phone Agent, Auto Attendant or Call Queue when choosing this destination. Voicemail - the voice mailbox associated with a Microsoft 365 Group that you specify.