How to get the call-id in Microsoft Teams?

Question

Is it possible to get the call-id from a running Teams call? I should get call details from https://graph.microsoft.com/v1.0/communications/calls I want to use the call-id here:

var result = await graphClient.Communications.Calls["{call-id}"].GetAsync();

For example, we have a call between user1 and user2. Are there any possibilities to get the call-id of this running call? I don´t want to use callRecords because i need the call-id during the call to work with this during the call.

Answer 1

Hi @Ottmann, Thomas, According to the official document, the call resource is created when there's an incoming call for the application or the application creates a new outgoing call via a POST on communications/calls.

The picture shows a request using http request, which should be consistent with the return information using the C# SDK.

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Best regards,

Jason

Answer 2

It is not possible to get the call-id of a running call in Microsoft Teams. The call-id is only available after the call has been completed. You can get the call-id from the call history in the Teams Admin Center or by subscribing to change notifications for the /communications/callRecords endpoint.
Ref: https://learn.microsoft.com/en-us/graph/api/resources/change-notifications-api-overview?view=graph-rest-1.0

Another way to get the call-id is by using the callChainId property of a call.
Ref: https://learn.microsoft.com/en-us/graph/api/resources/call?view=graph-rest-1.0#properties However, keep in mind that the call record is only available after the associated call has been completed.

Thanks, 

Prasad Das

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