joinUrl is null when fetching via /chats/
Hi we have a production app for Teams that has broken as a result of a seemingly random api change that we can't find any documentation for in the api change log or anywhere for that matter. We are sending the following request via our front end app: https://graph.microsoft.com/v1.0/chats/19:meeting_MDc0NmQ4OWYtNTNiOC00NjY2LWIzYWItZGQ3ZTQyMWFjNzk2@thread.v2 { "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#chats/$entity", "id": "19:meeting_MDc0NmQ4OWYtNTNiOC00NjY2LWIzYWItZGQ3ZTQyMWFjNzk2@thread.v2", "topic": "Besprechung mit <organiser_name>", "createdDateTime": "2025-08-21T10:41:11Z", "lastUpdatedDateTime": "2025-08-21T12:49:30.002Z", "chatType": "meeting", "webUrl": "https://teams.microsoft.com/l/chat/19%3Ameeting_MDc0NmQ4OWYtNTNiOC00NjY2LWIzYWItZGQ3ZTQyMWFjNzk2%40thread.v2/0?tenantId=<tenant_id>", "tenantId": "<tenant_id>", "isHiddenForAllMembers": false, "viewpoint": { "isHidden": false, "lastMessageReadDateTime": "2025-08-21T12:59:24.376Z" }, "onlineMeetingInfo": { "calendarEventId": null, "joinWebUrl": null, "organizer": { "id": null, "displayName": null, "userIdentityType": "aadUser" } } } In this request we would parse `onlineMeetingInfo` for the joinWebUrl however we now get `null` We've tried using the webUrl but this does not work since it doesn't contain the organisation Id which we later rely on. Our flow is the following: We make a graph api request to fetch the joinUrl We send the joinWebUrl to our backend That Url is passed to a Teams Bot we are hosting on Azure which parses the URL to send a bot join request to Microsoft. However the new webUrl does not have the organiser Id and as a result the bot fails to join. We've verified by hardcoding the organiser Id var meetingInfo = new OrganizerMeetingInfo { Organizer = new IdentitySet { User = new Identity { Id = <we_hard_coded_this> }, }, }; meetingInfo.Organizer.User.SetTenantId(tenantId) And we then use this as following: var tenantId = (meetingInfo as OrganizerMeetingInfo)?.Organizer .GetPrimaryIdentity() .GetTenantId(); var mediaSession = this.CreateLocalMediaSession(); var joinParams = new JoinMeetingParameters(chatInfo, meetingInfo, mediaSession) { TenantId = tenantId, }; if (!string.IsNullOrWhiteSpace(callParams.DisplayName)) { // Teams client does not allow changing of ones own display name. // If display name is specified, we join as anonymous (guest) user // with the specified display name. This will put bot into lobby // unless lobby bypass is disabled. joinParams.GuestIdentity = new Identity { Id = Guid.NewGuid().ToString(), DisplayName = callParams.DisplayName }; } if (!callParameters.TryAdd(chatInfo.GetMeetingId(), new() { AccessToken = callParams.AccessToken, AccountId = callParams.AccountId, BackendUrl = callParams.BackendUrl, JoinUrl = callParams.JoinUrl, Protocol = callParams.Protocol, Origin = callParams.Origin, InviterParticipantId = callParams.InviterParticipantId, SubscriptionId = callParams.SubscriptionId, })) { logger.Warning("Parameters for call already exist."); } var statefulCall = await this.Client.Calls() .AddAsync(joinParams) .ConfigureAwait(false); This is quite urgent as it's impacting our customers, could someone please have a look at provide us an update here? Thank you.Survey: Do you need long running or offline support for Cloud to Device commands with Azure IoT Hub?
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