diff --git a/Session.xcodeproj/project.pbxproj b/Session.xcodeproj/project.pbxproj
index 430aaf359..cd2c46514 100644
--- a/Session.xcodeproj/project.pbxproj
+++ b/Session.xcodeproj/project.pbxproj
@@ -136,6 +136,7 @@
 		768A1A2B17FC9CD300E00ED8 /* libz.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 768A1A2A17FC9CD300E00ED8 /* libz.dylib */; };
 		76C87F19181EFCE600C4ACAB /* MediaPlayer.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 76C87F18181EFCE600C4ACAB /* MediaPlayer.framework */; };
 		76EB054018170B33006006FC /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 76EB03C318170B33006006FC /* AppDelegate.m */; };
+		7B0EFDEE274F598600FFAAE7 /* TimestampUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B0EFDED274F598600FFAAE7 /* TimestampUtils.swift */; };
 		7B1581E2271E743B00848B49 /* OWSSounds.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B1581E1271E743B00848B49 /* OWSSounds.swift */; };
 		7B1581E4271FC59D00848B49 /* CallModal.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B1581E3271FC59C00848B49 /* CallModal.swift */; };
 		7B1581E6271FD2A100848B49 /* VideoPreviewVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B1581E5271FD2A100848B49 /* VideoPreviewVC.swift */; };
@@ -1125,6 +1126,7 @@
 		76C87F18181EFCE600C4ACAB /* MediaPlayer.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = MediaPlayer.framework; path = System/Library/Frameworks/MediaPlayer.framework; sourceTree = SDKROOT; };
 		76EB03C218170B33006006FC /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		76EB03C318170B33006006FC /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
+		7B0EFDED274F598600FFAAE7 /* TimestampUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimestampUtils.swift; sourceTree = "<group>"; };
 		7B1581E1271E743B00848B49 /* OWSSounds.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OWSSounds.swift; sourceTree = "<group>"; };
 		7B1581E3271FC59C00848B49 /* CallModal.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CallModal.swift; sourceTree = "<group>"; };
 		7B1581E5271FD2A100848B49 /* VideoPreviewVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoPreviewVC.swift; sourceTree = "<group>"; };
@@ -2367,6 +2369,7 @@
 				C38EF23E255B6D66007E1867 /* UIView+OWS.m */,
 				C38EF2EF255B6DBB007E1867 /* Weak.swift */,
 				7B7CB191271508AD0079FF93 /* Vibration.swift */,
+				7B0EFDED274F598600FFAAE7 /* TimestampUtils.swift */,
 			);
 			path = General;
 			sourceTree = "<group>";
@@ -4677,6 +4680,7 @@
 				B8AE75A425A6C6A6001A84D2 /* Data+Trimming.swift in Sources */,
 				B8856DE6256F15F2001CE70E /* String+SSK.swift in Sources */,
 				C3471ED42555386B00297E91 /* AESGCM.swift in Sources */,
+				7B0EFDEE274F598600FFAAE7 /* TimestampUtils.swift in Sources */,
 				C32C5DDB256DD9FF003C73A2 /* ContentProxy.swift in Sources */,
 				C3A71F892558BA9F0043A11F /* Mnemonic.swift in Sources */,
 				B8F5F58325EC94A6003BF8D4 /* Collection+Subscripting.swift in Sources */,
diff --git a/SessionMessagingKit/Sending & Receiving/MessageReceiver+Handling.swift b/SessionMessagingKit/Sending & Receiving/MessageReceiver+Handling.swift
index 8796742bc..8c4ecba30 100644
--- a/SessionMessagingKit/Sending & Receiving/MessageReceiver+Handling.swift	
+++ b/SessionMessagingKit/Sending & Receiving/MessageReceiver+Handling.swift	
@@ -268,6 +268,7 @@ extension MessageReceiver {
     // MARK: - Call Messages
     
     public static func handleCallMessage(_ message: CallMessage, using transaction: Any) {
+        guard let timestamp = message.sentTimestamp, TimestampUtils.isWithinOneMinute(timestamp: timestamp) else { return }
         switch message.kind! {
         case .preOffer:
             print("[Calls] Received pre-offer message.")
diff --git a/SessionUtilitiesKit/General/TimestampUtils.swift b/SessionUtilitiesKit/General/TimestampUtils.swift
new file mode 100644
index 000000000..3497bdbad
--- /dev/null
+++ b/SessionUtilitiesKit/General/TimestampUtils.swift
@@ -0,0 +1,8 @@
+
+public final class TimestampUtils {
+    
+    public static func isWithinOneMinute(timestamp: UInt64) -> Bool {
+        Date().timeIntervalSince(NSDate.ows_date(withMillisecondsSince1970: timestamp)) <= 60
+    }
+    
+}