Configuring an Auto Attendant Number

If the auto attendant feature of Exchange UM will be used with Lync Online, each auto attendant number used must be added to the Exchange UM dial plan, and also must be configured as an access number within Lync Online. The following procedure is used to configure a new auto attendant number using the online portal:

1. Log on to the Office 365 Portal.

2. On the main page, click the Admin tab at the top, and then select Exchange from the drop-down menu to open the Exchange Admin Center.

3. On the left side, click Unified messaging, and then click UM dial plans at the top.

4. At the UM dial plans page, select the SIP URI dial plan previously created from the list, and click the Edit icon.

5. At the Dial plan ...

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