diff --git a/libs/openzap/src/isdn/Q921.c b/libs/openzap/src/isdn/Q921.c
index 6a35596762..944a8a5a31 100644
--- a/libs/openzap/src/isdn/Q921.c
+++ b/libs/openzap/src/isdn/Q921.c
@@ -94,98 +94,98 @@ int Q921Tx23Proc(L2TRUNK trunk, L2UCHAR *Msg, L2INT size)
 	return trunk->Q921Tx23Proc(trunk->PrivateData23, Msg, size);
 
 }
-
-/*****************************************************************************
-
-  Function:     Q921TimeTick
-
-  Description:  Called periodically from an external source to allow the 
-                stack to process and maintain it's own timers.
-
-  Return Value: none
-
-*****************************************************************************/
-L2ULONG (*Q921GetTimeProc) ()=NULL; /* callback for func reading time in ms */
-static L2ULONG tLast={0};
-
-L2ULONG Q921GetTime()
-{
-    L2ULONG tNow = 0;
-    if(Q921GetTimeProc != NULL)
-    {
-        tNow = Q921GetTimeProc();
-        if(tNow < tLast)    /* wrapped */
-        {
-			/* TODO */
-        }
-		tLast = tNow;
-    }
-    return tNow;
-}
-
-void Q921T200TimerStart(L2TRUNK trunk)
-{
-	if (!trunk->T200) {
-		trunk->T200 = Q921GetTime() + trunk->T200Timeout;
-	}
-}
-
-void Q921T200TimerStop(L2TRUNK trunk)
-{
-	trunk->T200 = 0;
-}
-
-void Q921T200TimerReset(L2TRUNK trunk)
-{
-	Q921T200TimerStop(trunk);
-	Q921T200TimerStart(trunk);
-}
 
-void Q921T203TimerStart(L2TRUNK trunk)
-{
-	if (!trunk->T203) {
-		trunk->T203 = Q921GetTime() + trunk->T203Timeout;
-	}
-}
-
-void Q921T203TimerStop(L2TRUNK trunk)
-{
-	trunk->T203 = 0;
-}
-
-void Q921T203TimerReset(L2TRUNK trunk)
-{
-	Q921T203TimerStop(trunk);
-	Q921T203TimerStart(trunk);
-}
-
-void Q921T200TimerExpire(L2TRUNK trunk)
-{
-	(void)trunk;
-}
-
-void Q921T203TimerExpire(L2TRUNK trunk)
-{
-	Q921T203TimerReset(trunk);
-	Q921SendRR(trunk, trunk->sapi, trunk->NetUser == Q921_TE ? 0 : 1, trunk->tei, 1);
-}
-
-void Q921TimerTick(L2TRUNK trunk)
-{
-	L2ULONG tNow = Q921GetTime();
-	if (trunk->T200 && tNow > trunk->T200) {
-		Q921T200TimerExpire(trunk);
-	}
-	if (trunk->T203 && tNow > trunk->T203) {
-		Q921T203TimerExpire(trunk);		
-	}
-}
-
-
-void Q921SetGetTimeCB(L2ULONG (*callback)())
-{
-    Q921GetTimeProc = callback;
-}
+/*****************************************************************************
+
+  Function:     Q921TimeTick
+
+  Description:  Called periodically from an external source to allow the 
+                stack to process and maintain it's own timers.
+
+  Return Value: none
+
+*****************************************************************************/
+L2ULONG (*Q921GetTimeProc) ()=NULL; /* callback for func reading time in ms */
+static L2ULONG tLast={0};
+
+L2ULONG Q921GetTime()
+{
+    L2ULONG tNow = 0;
+    if(Q921GetTimeProc != NULL)
+    {
+        tNow = Q921GetTimeProc();
+        if(tNow < tLast)    /* wrapped */
+        {
+			/* TODO */
+        }
+		tLast = tNow;
+    }
+    return tNow;
+}
+
+void Q921T200TimerStart(L2TRUNK trunk)
+{
+	if (!trunk->T200) {
+		trunk->T200 = Q921GetTime() + trunk->T200Timeout;
+	}
+}
+
+void Q921T200TimerStop(L2TRUNK trunk)
+{
+	trunk->T200 = 0;
+}
+
+void Q921T200TimerReset(L2TRUNK trunk)
+{
+	Q921T200TimerStop(trunk);
+	Q921T200TimerStart(trunk);
+}
+
+void Q921T203TimerStart(L2TRUNK trunk)
+{
+	if (!trunk->T203) {
+		trunk->T203 = Q921GetTime() + trunk->T203Timeout;
+	}
+}
+
+void Q921T203TimerStop(L2TRUNK trunk)
+{
+	trunk->T203 = 0;
+}
+
+void Q921T203TimerReset(L2TRUNK trunk)
+{
+	Q921T203TimerStop(trunk);
+	Q921T203TimerStart(trunk);
+}
+
+void Q921T200TimerExpire(L2TRUNK trunk)
+{
+	(void)trunk;
+}
+
+void Q921T203TimerExpire(L2TRUNK trunk)
+{
+	Q921T203TimerReset(trunk);
+	Q921SendRR(trunk, trunk->sapi, trunk->NetUser == Q921_TE ? 0 : 1, trunk->tei, 1);
+}
+
+void Q921TimerTick(L2TRUNK trunk)
+{
+	L2ULONG tNow = Q921GetTime();
+	if (trunk->T200 && tNow > trunk->T200) {
+		Q921T200TimerExpire(trunk);
+	}
+	if (trunk->T203 && tNow > trunk->T203) {
+		Q921T203TimerExpire(trunk);		
+	}
+}
+
+
+void Q921SetGetTimeCB(L2ULONG (*callback)())
+{
+    Q921GetTimeProc = callback;
+}
 
 /*****************************************************************************