diff --git a/Podfile.lock b/Podfile.lock
index 5e2655492..0bd4e189d 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -136,7 +136,7 @@ CHECKOUT OPTIONS:
     :commit: 7054e4b13ee5bcd6d524adb6dc9a726e8c466308
     :git: https://github.com/WhisperSystems/JSQMessagesViewController.git
   SignalServiceKit:
-    :commit: 435f13f2ffc4631aeb282fc02a8a3305f6e8645b
+    :commit: 33df1fb6c03893233fb6b8dd05e09b0271d41344
     :git: https://github.com/WhisperSystems/SignalServiceKit.git
   SocketRocket:
     :commit: 877ac7438be3ad0b45ef5ca3969574e4b97112bf
diff --git a/Signal/src/Models/OWSCall.h b/Signal/src/Models/OWSCall.h
index 419ae4f5d..1cc02012a 100644
--- a/Signal/src/Models/OWSCall.h
+++ b/Signal/src/Models/OWSCall.h
@@ -18,6 +18,7 @@ typedef enum : NSUInteger {
     // kGroupUpdateJoin has been deprecated.
     kGroupUpdateLeft = 7,
     kGroupUpdate = 8,
+    kCallMissedBecauseOfChangedIdentity = 9,
 } CallStatus;
 
 @interface OWSCall : NSObject <OWSMessageData>
diff --git a/Signal/src/Models/OWSCall.m b/Signal/src/Models/OWSCall.m
index f945bae12..f05a9264a 100644
--- a/Signal/src/Models/OWSCall.m
+++ b/Signal/src/Models/OWSCall.m
@@ -54,6 +54,9 @@ NS_ASSUME_NONNULL_BEGIN
         case RPRecentCallTypeIncomingIncomplete:
             status = kCallIncomingIncomplete;
             break;
+        case RPRecentCallTypeMissedBecauseOfChangedIdentity:
+            status = kCallMissedBecauseOfChangedIdentity;
+            break;
         default:
             status = kCallIncoming;
             break;
@@ -77,6 +80,9 @@ NS_ASSUME_NONNULL_BEGIN
         case kCallOutgoingIncomplete:
             detailString = [NSString stringWithFormat:NSLocalizedString(@"MSGVIEW_YOU_TRIED_TO_CALL", nil), name];
             break;
+        case kCallMissedBecauseOfChangedIdentity:
+            detailString = [NSString
+                stringWithFormat:NSLocalizedString(@"MSGVIEW_MISSED_CALL_BECAUSE_OF_CHANGED_IDENTITY", nil), name];
         default:
             detailString = @"";
             break;
diff --git a/Signal/src/ViewControllers/DebugUI/DebugUIMessages.m b/Signal/src/ViewControllers/DebugUI/DebugUIMessages.m
index 4f9eadf9b..d4b485976 100644
--- a/Signal/src/ViewControllers/DebugUI/DebugUIMessages.m
+++ b/Signal/src/ViewControllers/DebugUI/DebugUIMessages.m
@@ -576,6 +576,10 @@ NS_ASSUME_NONNULL_BEGIN
                                                  withCallNumber:@"+19174054215"
                                                        callType:RPRecentCallTypeMissed
                                                        inThread:contactThread]];
+            [result addObject:[[TSCall alloc] initWithTimestamp:[NSDate ows_millisecondTimeStamp]
+                                                 withCallNumber:@"+19174054215"
+                                                       callType:RPRecentCallTypeMissedBecauseOfChangedIdentity
+                                                       inThread:contactThread]];
             [result addObject:[[TSCall alloc] initWithTimestamp:[NSDate ows_millisecondTimeStamp]
                                                  withCallNumber:@"+19174054215"
                                                        callType:RPRecentCallTypeOutgoingIncomplete
diff --git a/Signal/src/call/CallService.swift b/Signal/src/call/CallService.swift
index 9cb75a79c..488bd4439 100644
--- a/Signal/src/call/CallService.swift
+++ b/Signal/src/call/CallService.swift
@@ -486,6 +486,14 @@ protocol CallServiceObserver: class {
                 self.notificationsAdapter.presentMissedCallBecauseOfNoLongerVerifiedIdentity(call: newCall, callerName: callerName)
             }
 
+            let callRecord = TSCall(timestamp: NSDate.ows_millisecondTimeStamp(),
+                                    withCallNumber: thread.contactIdentifier(),
+                                    callType: RPRecentCallTypeMissedBecauseOfChangedIdentity,
+                                    in: thread)
+            assert(newCall.callRecord == nil)
+            newCall.callRecord = callRecord
+            callRecord.save()
+
             return
         }
 
diff --git a/Signal/translations/en.lproj/Localizable.strings b/Signal/translations/en.lproj/Localizable.strings
index 08c90eec1..0bcce26a9 100644
--- a/Signal/translations/en.lproj/Localizable.strings
+++ b/Signal/translations/en.lproj/Localizable.strings
@@ -616,6 +616,9 @@
 /* No comment provided by engineer. */
 "INCOMING_INCOMPLETE_CALL" = "Incomplete incoming call from";
 
+/* info message text shown in conversation view */
+"INFO_MESSAGE_MISSED_CALL_DUE_TO_CHANGED_IDENITY" = "Missed call because their safety number has changed.";
+
 /* Message for the alert indicating that an audio file is invalid. */
 "INVALID_AUDIO_FILE_ALERT_ERROR_MESSAGE" = "Invalid audio file.";
 
@@ -756,6 +759,9 @@
    Alert title when camera is not authorized */
 "MISSING_CAMERA_PERMISSION_TITLE" = "Signal needs to access your camera.";
 
+/* No comment provided by engineer. */
+"MSGVIEW_MISSED_CALL_BECAUSE_OF_CHANGED_IDENTITY" = "Missed call because their safety number has changed.";
+
 /* notification title. Embeds {{caller's name or phone number}} */
 "MSGVIEW_MISSED_CALL_WITH_NAME" = "Missed call from %@.";