--- dahdi-base.c.orig	2009-12-28 23:16:37.000000000 +0400
+++ dahdi-base.c	2010-02-11 08:21:31.000000000 +0400
@@ -5898,6 +5898,7 @@
 	for (x=0;x<DAHDI_CHUNKSIZE;x++)
 		getlin[x] = DAHDI_XLAW(txb[x], ms);
 
+#ifndef NO_ECHOCAN_DISABLE  
 	if (ms->ec_state && (ms->ec_state->status.mode == ECHO_MODE_ACTIVE) && !ms->ec_state->features.CED_tx_detect) {
 		for (x = 0; x < DAHDI_CHUNKSIZE; x++) {
 			if (echo_can_disable_detector_update(&ms->ec_state->txecdis, getlin[x])) {
@@ -5907,6 +5908,7 @@
 			}
 		}
 	}
+#endif 
 
 	if ((!ms->confmute && !ms->dialing) || (ms->flags & DAHDI_FLAG_PSEUDO)) {
 		/* Handle conferencing on non-clear channel and non-HDLC channels */
@@ -6892,6 +6894,7 @@
 		putlin[x] = DAHDI_XLAW(rxb[x], ms);
 	}
 
+#ifndef NO_ECHOCAN_DISABLE  
 	if (ms->ec_state && (ms->ec_state->status.mode == ECHO_MODE_ACTIVE) && !ms->ec_state->features.CED_rx_detect) {
 		for (x = 0; x < DAHDI_CHUNKSIZE; x++) {
 			if (echo_can_disable_detector_update(&ms->ec_state->rxecdis, putlin[x])) {
@@ -6902,6 +6905,7 @@
 		}
 	}
 
+#endif
 	/* if doing rx tone decoding */
 	if (ms->rxp1 && ms->rxp2 && ms->rxp3)
 	{