Enabling Users for Exchange UM

Use the following procedure to enable a Lync Online user for Exchange UM:

1. Log on to the Office 365 Portal.

2. On the left side of the main page, click Users and Groups.

3. At the Users and Groups page, select the check box for the user account to be enabled for Exchange UM; then, under Quick steps on the right side of the screen, click on Edit Exchange properties.

4. On the left side, click Mailbox features.

5. Under Phone and Voice Features, click the Enable link under Unified Messaging: Disabled.

6. At the Enable UM mailbox screen, click Browse, and then select the SIP URI dial plan previously created. Click OK, and click Next.

7. In the Extension Number field, enter the full phone number for the user, which should match the number of digits specified for the dial plan, as shown in Figure 22.11.

Figure 22.11. Enabling Exchange UM for a user account.

8. Under PIN Settings, either keep the default setting of Automatically generate a PIN, or select the option to Type a PIN and manually enter the initial PIN number, using the minimum number of digits specified for the dial plan.

9. Determine whether users will need to reset their PIN the first time they sign in by selecting or deselecting the check box, and then click Finish to complete the Exchange UM configuration for the user and return to the Mailbox features page.

10. At the bottom of the screen, click Save.