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This Help article is for Cisco phones registered to Cisco Unified Communications Manager or Cisco Webex Dedicated Instance (Webex DI).
When you configure the OBTP feature for the calendar service, the softkey Calendar displays on the phone screen. Therefore, users can select this softkey to sign in to the calendar service. After a successful sign-in, the users can directly join different types of meetings on the phone.
When the feature is enabled, the phone gets the calendar items and related meeting links, it can recognize the meeting types if SIP URIs for the supported meeting types are identified. In this way, the Join softkey can display on the calendar item. Then user can select Join to join a meeting from the calendar list.
Currently, only the English language is supported for this feature. |
Before you begin
1 |
Do one of the following actions from Cisco Unified CM Administration:
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2 |
Ensure that CUCM can dial external SIP URI calls with SIP and expressway setup. |
3 |
Set the following fields:
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4 |
Click Save. |
What to do next
Check Microsoft services access
The calendar service uses the Microsoft calendar service. Therefore, make sure that the phone can access the following services via the HTTPS protocol:
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What to do next
Apply to use the application Cisco Phone OBTP in Microsoft Entra gallery
In order for Microsoft 365 to trust the Cisco phone and send the calendar items to the phone, Cisco creates an application called Cisco Phone OBTP and lists it in Microsoft Entra Gallery, see the following example of Cisco Video Phone 8875:
To get the Microsoft tenant access, do the following:
Contact your Microsoft Tenant administrator to grant the access to you. For more information about how to add an application, see https://learn.microsoft.com/en-us/entra/identity/enterprise-apps/add-application-portal Cisco Phone OBTP requires the following permissions to read the calendar and keep the calendar info on phone:
For more information about the API, see https://learn.microsoft.com/en-us/graph/api/user-list-calendarview?view=graph-rest-1.0&tabs=http |