diff --git a/delay_ack/DelayAck.st b/delay_ack/DelayAck.st
index 297e74d..4390ffc 100644
--- a/delay_ack/DelayAck.st
+++ b/delay_ack/DelayAck.st
@@ -30,6 +30,23 @@ FakeBTS.BTS subclass: DelayedAckBTS [
             super sendRSLActivationAck: aMsg on: aTrx.
         ]
     ]
+
+]
+
+FakeBTS.BTS subclass: DelayedReleaseAckBTS [
+    <comment: 'I will delay RSLRFChannelReleaseAck messages causing the channels
+    to be marked as broken in the BSC/NITB or at least that is the plan.'>
+
+    sendOnPrimaryRSL: aMsg [
+        | rsl |
+        "We need to decode the message and check if it is a ChannelReleaseACK
+        and we will delay it then..."
+        rsl := RSLMessageBase parse: aMsg readStream.
+        rsl class = FakeBTS.RSLRFChannelReleaseAck
+            ifTrue: [Osmo.TimerScheduler instance scheduleInSeconds: 6 block: 
+                        [super sendOnPrimaryRSL: aMsg]]
+            ifFalse: [super sendOnPrimaryRSL: aMsg].
+    ]
 ]
 
 FakeBTS.OpenBSCTest subclass: DelayedAckTest [
@@ -67,7 +84,27 @@ FakeBTS.OpenBSCTest subclass: DelayedAckTest [
         lchan := self requireAnyChannel.    
         self assert: lchan isNil message: 'Channel assignment should fail'.
 
-        Transcript nextPutAll: 'Waiting for new line.. press any key to quit'.
+        Transcript nextPutAll: 'Waiting for new line.. press to continue'.
+        stdin next.
+    ]
+]
+
+FakeBTS.OpenBSCTest subclass: DelayedReleaseAckTest [
+    <import: OsmoGSM>
+
+    createBTS [
+        ^DelayedReleaseAckBTS new
+    ]
+
+    startTest [
+        | lchan |
+
+        self createAndConnectBTS: '1801/0/0'.
+
+        lchan := self requireAnyChannel.
+        self deny: lchan isNil message: 'Channel assignment should work'.
+
+        Transcript nextPutAll: 'Waiting for new line.. press to quit'.
         stdin next.
     ]
 ]
@@ -75,4 +112,6 @@ FakeBTS.OpenBSCTest subclass: DelayedAckTest [
 Eval [
     DelayedAckTest new
         startTest.
+    DelayedReleaseAckTest new
+        startTest.
 ]