Index: drivers/dahdi/wctdm.c
===================================================================
--- drivers/dahdi/wctdm.c	(revision 7648)
+++ drivers/dahdi/wctdm.c	(working copy)
@@ -1015,7 +1015,7 @@
 	hook = (res & 1);
 	if (hook != fxs->lastrxhook) {
 		/* Reset the debounce (must be multiple of 4ms) */
-		fxs->debounce = 8 * (4 * 8);
+		fxs->debounce = 4 * (4 * 8);
 #if 0
 		printk(KERN_DEBUG "Resetting debounce card %d hook %d, %d\n",
 		       card, hook, fxs->debounce);
Index: drivers/dahdi/wctdm24xxp/base.c
===================================================================
--- drivers/dahdi/wctdm24xxp/base.c	(revision 7648)
+++ drivers/dahdi/wctdm24xxp/base.c	(working copy)
@@ -1610,7 +1610,7 @@
 	
 	if (hook != fxs->lastrxhook) {
 		/* Reset the debounce (must be multiple of 4ms) */
-		fxs->debounce = 8 * (4 * 8);
+		fxs->debounce = 4 * (4 * 8);
 #if 0
 		printk(KERN_DEBUG "Resetting debounce card %d hook %d, %d\n",
 		       card, hook, fxs->debounce);