Index: wctdm.c
===================================================================
--- wctdm.c	(revision 6846)
+++ wctdm.c	(working copy)
@@ -283,6 +283,7 @@
 static unsigned int battalarm;
 static unsigned int battthresh;
 static int ringdebounce = DEFAULT_RING_DEBOUNCE;
+static int dialdebounce = 8 * 8 /* times 4, because must be a multiple of 4ms */;
 static int fwringdetect = 0;
 static int debug = 0;
 static int robust = 0;
@@ -975,7 +976,7 @@
 	hook = (res & 1);
 	if (hook != wc->mod[card].fxs.lastrxhook) {
 		/* Reset the debounce (must be multiple of 4ms) */
-		wc->mod[card].fxs.debounce = 8 * (4 * 8);
+		wc->mod[card].fxs.debounce = dialdebounce * 4;
 #if 0
 		printk(KERN_DEBUG "Resetting debounce card %d hook %d, %d\n", card, hook, wc->mod[card].fxs.debounce);
 #endif
@@ -2564,6 +2565,7 @@
 module_param(battalarm, uint, 0600);
 module_param(battthresh, uint, 0600);
 module_param(ringdebounce, int, 0600);
+module_param(dialdebounce, int, 0600);
 module_param(fwringdetect, int, 0600);
 module_param(alawoverride, int, 0600);
 module_param(fastpickup, int, 0600);