--- channels/chan_dahdi.c.orig	2010-07-06 22:10:23.000000000 +0000
+++ channels/chan_dahdi.c	2010-07-07 13:07:34.000000000 +0000
@@ -5838,6 +5838,22 @@
 			ast_verb(3, "Channel %d echo canceler disabled due to CED detection\n", p->channel);
 			p->echocanon = 0;
 			break;
+		case DAHDI_EVENT_TX_CED_DETECTED:
+			ast_verb(3, "Channel %d detected a CED tone towards the network.\n", p->channel);
+			dahdi_disable_ec(p);
+			break;
+		case DAHDI_EVENT_RX_CED_DETECTED:
+			ast_verb(3, "Channel %d detected a CED tone from the network.\n", p->channel);
+			dahdi_disable_ec(p);
+			break;
+		case DAHDI_EVENT_EC_NLP_DISABLED:
+			ast_verb(3, "Channel %d echo canceler disabled its NLP.\n", p->channel);
+			dahdi_disable_ec(p);
+			break;
+		case DAHDI_EVENT_EC_NLP_ENABLED:
+			ast_verb(3, "Channel %d echo canceler enabled its NLP.\n", p->channel);
+			dahdi_enable_ec(p);
+			break;
 		case DAHDI_EVENT_BITSCHANGED:
 #ifdef HAVE_OPENR2
 			if (p->sig != SIG_MFCR2) {