Set the default language on a dial plan in Exchange Online

Use the EAC to set the default language on a UM dial plan

  1. In the EAC, navigate to Unified Messaging > UM dial plans.

  2. In the list view, select the UM dial plan that you want to modify, and then, on the toolbar, click Edit Edit icon.

  3. On the UM dial plan page, click Configure.

  4. On the Settings page, under Audio language, select the language you want to set from the drop-down list.

  5. Click Save to accept your changes.

Use Exchange Online PowerShell to set the default language on a UM dial plan

This example sets the default language on a UM dial plan named MyUMDialPlan to German.

Set-UMDialPlan -Identity MyUMDialPlan -DefaultLanguage de-DE

This example sets the default language on a UM dial plan named MyUMDialPlan to Japanese.

Set-UMDialPlan -Identity MyUMDialPlan -DefaultLanguage ja-JP

This example sets the default language on a UM dial plan named MyUMDialPlan to Australian English.

Set-UMDialPlan -Identity MyUMDialPlan -DefaultLanguage en-AU