diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 13fa2c1734..c7dbf63e08 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -8550,6 +8550,13 @@ retryowner:
 				iaxs[fr->callno]->videoformat = f.subclass & ~0x1;
 			}
 		}
+		if (f.frametype == AST_FRAME_CONTROL && iaxs[fr->callno]->owner) {
+			if (f.subclass == AST_CONTROL_BUSY) {
+				iaxs[fr->callno]->owner->hangupcause = AST_CAUSE_BUSY;
+			} else if (f.subclass == AST_CONTROL_CONGESTION) {
+				iaxs[fr->callno]->owner->hangupcause = AST_CAUSE_CONGESTION;
+			}
+		}
 		if (f.frametype == AST_FRAME_IAX) {
 			AST_SCHED_DEL(sched, iaxs[fr->callno]->initid);
 			/* Handle the IAX pseudo frame itself */
diff --git a/main/cdr.c b/main/cdr.c
index 27078d9738..d50cf6b111 100644
--- a/main/cdr.c
+++ b/main/cdr.c
@@ -754,6 +754,9 @@ int ast_cdr_disposition(struct ast_cdr *cdr, int cause)
 		case AST_CAUSE_BUSY:
 			ast_cdr_busy(cdr);
 			break;
+		case AST_CAUSE_NO_ANSWER:
+			ast_cdr_noanswer(cdr);
+			break;
 		case AST_CAUSE_NORMAL:
 			break;
 		default: