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CallActivityEvents Schema
Table description
| TableSection |
TableType |
TableSectionName |
Description |
Source |
| Emails |
Regular |
|
Contains activity details during calls and meetings in Microsoft Teams |
Defender |
Table retention
| ColdDays |
HotDays |
TotalInteractiveDays |
| 0 |
30 |
30 |
Schema
| Name |
Description |
Type |
| ActivityId |
Unique identifier of the activity log |
String |
| ActivityInitiatorDisplayName |
Display name of the participant who initiated the activity |
String |
| ActivityInitiatorId |
Unique identifier for the participant who initiated the activity |
String |
| ActivityInitiatorUpn |
Unique identifier for the account of the participant who initiated the activity |
String |
| ActivityTimestamp |
Date and time when the activity occurred during the call |
DateTime |
| ActivityType |
Type of activity that triggered the event |
String |
| CallId |
Unique identifier for the call, as generated by Microsoft 365 |
String |
| CallJoinUrl |
Link used by the group call participants to join the call |
String |
| CallSchedulingType |
Type of scheduling for the group call; possible values: Adhoc, Scheduled, Recurring |
String |
| OriginatorUpn |
Unique identifier for the account of the caller who initiated the call |
String |
| OriginatorUserDisplayName |
Display name of the caller who initiated the call |
String |
| SourceSystem |
|
String |
| TenantId |
|
String |
| ThreadId |
Identifier of the channel or chat thread that the message is part of |
String |
| TimeGenerated |
|
DateTime |
| Type |
|
String |
Schema changes
| Date |
Action |
| 2026-10-07 |
Column TenantId added |
| 2026-10-07 |
Column Type added |
| 2026-10-07 |
Column SourceSystem added |
| 2026-10-07 |
Column TimeGenerated added |
| 2026-08-19 |
Table added to tracking |