diff -Naur asterisk-1.8.19.0-vici-beta.old/channels/chan_sip.c asterisk-1.8.19.0-vici-beta/channels/chan_sip.c
--- asterisk-1.8.19.0-vici-beta.old/channels/chan_sip.c	2012-12-05 12:43:37.000000000 -0500
+++ asterisk-1.8.19.0-vici-beta/channels/chan_sip.c	2013-04-17 13:54:35.000000000 -0400
@@ -21462,6 +21462,20 @@
 	if (owner) {
 		const char *rp = NULL, *rh = NULL;
 
+		/* Send manager event for sip hangup cause code */
+		if ((resp >= 400) && (resp <= 900))
+			manager_event(
+				EVENT_FLAG_SYSTEM,
+				"SIP-Hangup-Cause",
+				"ChannelDriver: SIP\r\nChannel: %s\r\nCallerIDName: %s\r\nUniqueid: %s\r\nResult: %i|%s\r\n",
+				p->owner->name,
+				S_COR(p->owner->caller.id.name.valid, p->owner->caller.id.name.str, "<unknown>"),
+				p->owner->uniqueid,
+				resp,
+				rest
+			);
+
+
 		owner->hangupcause = 0;
 		if (ast_test_flag(&p->flags[1], SIP_PAGE2_Q850_REASON) && (rh = get_header(req, "Reason"))) {
 			rh = ast_skip_blanks(rh);
@@ -21477,6 +21491,16 @@
 
 		if (!owner->hangupcause)
 			owner->hangupcause = hangup_sip2cause(resp);
+	} else {
+		/* Send manager event for sip hangup cause code */
+		manager_event(
+			EVENT_FLAG_SYSTEM,
+			"SIP-Response",
+			"ChannelDriver: SIP\r\nMethod: %s\r\nResult: %i|%s\r\n",
+			sip_methods[sipmethod].text,
+			resp,
+			rest
+		);
 	}
 
 	if (p->socket.type == SIP_TRANSPORT_UDP) {