diff --git a/ts/background.ts b/ts/background.ts
index c2f25669f..e229d5933 100644
--- a/ts/background.ts
+++ b/ts/background.ts
@@ -1709,7 +1709,7 @@ export async function startApp(): Promise<void> {
   });
 
   window.Whisper.events.on('powerMonitorLockScreen', () => {
-    window.reduxActions.calling.hangUpActiveCall();
+    window.reduxActions.calling.hangUpActiveCall('powerMonitorLockScreen');
   });
 
   const reconnectToWebSocketQueue = new LatestQueue();
diff --git a/ts/components/CallManager.tsx b/ts/components/CallManager.tsx
index c9a35a7d1..0fb37012a 100644
--- a/ts/components/CallManager.tsx
+++ b/ts/components/CallManager.tsx
@@ -93,7 +93,7 @@ export type PropsType = {
   stopRingtone: () => unknown;
   switchToPresentationView: () => void;
   switchFromPresentationView: () => void;
-  hangUpActiveCall: () => void;
+  hangUpActiveCall: (reason: string) => void;
   theme: ThemeType;
   togglePip: () => void;
   toggleScreenRecordingPermissionsDialog: () => unknown;
@@ -187,6 +187,10 @@ const ActiveCallManager: React.FC<ActiveCallManagerPropsType> = ({
     [setGroupCallVideoRequest, conversation.id]
   );
 
+  const onSafetyNumberDialogCancel = useCallback(() => {
+    hangUpActiveCall('safety number dialog cancel');
+  }, [hangUpActiveCall]);
+
   let isCallFull: boolean;
   let showCallLobby: boolean;
   let groupMembers:
@@ -351,7 +355,7 @@ const ActiveCallManager: React.FC<ActiveCallManagerPropsType> = ({
           contacts={activeCall.conversationsWithSafetyNumberChanges}
           getPreferredBadge={getPreferredBadge}
           i18n={i18n}
-          onCancel={hangUpActiveCall}
+          onCancel={onSafetyNumberDialogCancel}
           onConfirm={() => {
             keyChangeOk({ conversationId: activeCall.conversation.id });
           }}
diff --git a/ts/components/CallScreen.tsx b/ts/components/CallScreen.tsx
index b9beef6b0..b924be5fd 100644
--- a/ts/components/CallScreen.tsx
+++ b/ts/components/CallScreen.tsx
@@ -51,7 +51,7 @@ export type PropsType = {
   getGroupCallVideoFrameSource: (demuxId: number) => VideoFrameSource;
   getPresentingSources: () => void;
   groupMembers?: Array<Pick<ConversationType, 'id' | 'firstName' | 'title'>>;
-  hangUpActiveCall: () => void;
+  hangUpActiveCall: (reason: string) => void;
   i18n: LocalizerType;
   joinedAt?: number;
   me: ConversationType;
@@ -181,6 +181,10 @@ export const CallScreen: React.FC<PropsType> = ({
     }
   }, [getPresentingSources, presentingSource, setPresenting]);
 
+  const hangUp = useCallback(() => {
+    hangUpActiveCall('button click');
+  }, [hangUpActiveCall]);
+
   const [controlsHover, setControlsHover] = useState(false);
 
   const onControlsMouseEnter = useCallback(() => {
@@ -521,7 +525,7 @@ export const CallScreen: React.FC<PropsType> = ({
             i18n={i18n}
             onMouseEnter={onControlsMouseEnter}
             onMouseLeave={onControlsMouseLeave}
-            onClick={hangUpActiveCall}
+            onClick={hangUp}
           />
         </div>
         <div className="module-ongoing-call__footer__local-preview">
diff --git a/ts/components/CallingPip.tsx b/ts/components/CallingPip.tsx
index 2588e2205..2a844daec 100644
--- a/ts/components/CallingPip.tsx
+++ b/ts/components/CallingPip.tsx
@@ -51,7 +51,7 @@ type SnapCandidate = {
 export type PropsType = {
   activeCall: ActiveCallType;
   getGroupCallVideoFrameSource: (demuxId: number) => VideoFrameSource;
-  hangUpActiveCall: () => void;
+  hangUpActiveCall: (reason: string) => void;
   hasLocalVideo: boolean;
   i18n: LocalizerType;
   setGroupCallVideoRequest: (_: Array<GroupCallVideoRequest>) => void;
@@ -100,6 +100,10 @@ export const CallingPip = ({
     setLocalPreview({ element: localVideoRef });
   }, [setLocalPreview]);
 
+  const hangUp = React.useCallback(() => {
+    hangUpActiveCall('pip button click');
+  }, [hangUpActiveCall]);
+
   const handleMouseMove = React.useCallback(
     (ev: MouseEvent) => {
       if (positionState.mode === PositionMode.BeingDragged) {
@@ -294,7 +298,7 @@ export const CallingPip = ({
         <button
           aria-label={i18n('calling__hangup')}
           className="module-calling-pip__button--hangup"
-          onClick={hangUpActiveCall}
+          onClick={hangUp}
           type="button"
         />
         <button
diff --git a/ts/hooks/useKeyboardShortcuts.tsx b/ts/hooks/useKeyboardShortcuts.tsx
index c23adce73..908052b8d 100644
--- a/ts/hooks/useKeyboardShortcuts.tsx
+++ b/ts/hooks/useKeyboardShortcuts.tsx
@@ -23,7 +23,7 @@ function isCtrlOrAlt(ev: KeyboardEvent): boolean {
 }
 
 export function useActiveCallShortcuts(
-  hangUp: () => unknown
+  hangUp: (reason: string) => unknown
 ): KeyboardShortcutHandlerType {
   return useCallback(
     ev => {
@@ -34,7 +34,7 @@ export function useActiveCallShortcuts(
         ev.preventDefault();
         ev.stopPropagation();
 
-        hangUp();
+        hangUp('Keyboard shortcut');
         return true;
       }
 
diff --git a/ts/services/calling.ts b/ts/services/calling.ts
index 4b754560c..c9c9712ba 100644
--- a/ts/services/calling.ts
+++ b/ts/services/calling.ts
@@ -292,7 +292,7 @@ export class CallingClass {
 
     ipcRenderer.on('quit', () => {
       for (const conversationId of Object.keys(this.callsByConversation)) {
-        this.hangup(conversationId);
+        this.hangup(conversationId, 'ipcRenderer quit');
       }
     });
 
@@ -1067,8 +1067,8 @@ export class CallingClass {
     );
   }
 
-  hangup(conversationId: string): void {
-    log.info('CallingClass.hangup()');
+  hangup(conversationId: string, reason: string): void {
+    log.info(`CallingClass.hangup(${conversationId}): ${reason}`);
 
     const specificCall = getOwn(this.callsByConversation, conversationId);
     if (!specificCall) {
diff --git a/ts/state/ducks/calling.ts b/ts/state/ducks/calling.ts
index b4672bd87..8c4c28ea3 100644
--- a/ts/state/ducks/calling.ts
+++ b/ts/state/ducks/calling.ts
@@ -873,12 +873,9 @@ function groupCallStateChange(
   };
 }
 
-function hangUpActiveCall(): ThunkAction<
-  void,
-  RootStateType,
-  unknown,
-  HangUpActionType
-> {
+function hangUpActiveCall(
+  reason: string
+): ThunkAction<void, RootStateType, unknown, HangUpActionType> {
   return async (dispatch, getState) => {
     const state = getState();
 
@@ -889,7 +886,7 @@ function hangUpActiveCall(): ThunkAction<
 
     const { conversationId } = activeCall;
 
-    calling.hangup(conversationId);
+    calling.hangup(conversationId, reason);
 
     dispatch({
       type: HANG_UP,