diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 562108acc31665c00bc1168b32c6d326f913d7e2..ad028bae60a9703cc4ea470ab8d37f1337f1cc85 100755
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -239,7 +239,7 @@ struct iax2_context {
 #define IAX_CODEC_NOPREFS 	(1 << 15) 	/* Force old behaviour by turning off prefs */
 #define IAX_CODEC_NOCAP 	(1 << 16) 	/* only consider requested format and ignore capabilities*/
 #define IAX_RTCACHEFRIENDS 	(1 << 17) 	/* let realtime stay till your reload */
-#define IAX_RTNOUPDATE 		(1 << 18) 	/* Don't send a realtime update */
+#define IAX_RTUPDATE 		(1 << 18) 	/* Send a realtime update */
 #define IAX_RTAUTOCLEAR 	(1 << 19) 	/* erase me on expire */ 
 #define IAX_FORCEJITTERBUF	(1 << 20)	/* Force jitterbuffer, even when bridged to a channel that can take jitter */ 
 #define IAX_RTIGNOREREGEXPIRE	(1 << 21)
@@ -5517,7 +5517,7 @@ static int update_registry(char *name, struct sockaddr_in *sin, int callno, char
 	memset(&ied, 0, sizeof(ied));
 	p = find_peer(name, 1);
 	if (p) {
-		if (!ast_test_flag((&globalflags), IAX_RTNOUPDATE) && (ast_test_flag(p, IAX_TEMPONLY|IAX_RTCACHEFRIENDS)))
+		if (ast_test_flag((&globalflags), IAX_RTUPDATE) && (ast_test_flag(p, IAX_TEMPONLY|IAX_RTCACHEFRIENDS)))
 			realtime_update_peer(name, sin);
 		if (inaddrcmp(&p->addr, sin)) {
 			if (iax2_regfunk)
@@ -8426,6 +8426,7 @@ static int set_config(char *config_file, int reload)
 	
 	/* Reset Global Flags */
 	memset(&globalflags, 0, sizeof(globalflags));
+	ast_set_flag(&globalflags, IAX_RTUPDATE);
 
 #ifdef SO_NO_CHECK
 	nochecksums = 0;
@@ -8520,8 +8521,8 @@ static int set_config(char *config_file, int reload)
 			ast_set2_flag((&globalflags), ast_true(v->value), IAX_RTCACHEFRIENDS);	
 		else if (!strcasecmp(v->name, "rtignoreregexpire"))
 			ast_set2_flag((&globalflags), ast_true(v->value), IAX_RTIGNOREREGEXPIRE);	
-		else if (!strcasecmp(v->name, "rtnoupdate"))
-			ast_set2_flag((&globalflags), ast_true(v->value), IAX_RTNOUPDATE);
+		else if (!strcasecmp(v->name, "rtupdate"))
+			ast_set2_flag((&globalflags), ast_true(v->value), IAX_RTUPDATE);
 		else if (!strcasecmp(v->name, "trunktimestamps"))
 			ast_set2_flag(&globalflags, ast_true(v->value), IAX_TRUNKTIMESTAMPS);
 		else if (!strcasecmp(v->name, "rtautoclear")) {
diff --git a/configs/iax.conf.sample b/configs/iax.conf.sample
index da166b0a80b9210fde448391585637352ced4df7..b0878289e0eca749ef043bfd11705e30bea94173 100755
--- a/configs/iax.conf.sample
+++ b/configs/iax.conf.sample
@@ -251,29 +251,25 @@ autokill=yes
 ;
 ;codecpriority=host
 
-;
-; Cache realtime friends by adding them to the internal list
-; just like friends added from the config file only on a
-; as-needed basis.
-;
-;rtcachefriends=yes 
-;
-; do not send the update request over realtime.
-;
-;rtnoupdate=yes 
-;
-; Auto-Expire friends created on the fly on the same schedule
-; as if it had just registered when the registration expires
-; the friend will vanish from the configuration until requested
-; again.  If set to an integer, friends expire
-; within this number of seconds instead of the
-; same as the registration interval
-;
-;rtautoclear=yes 
-;
-;rtignoreexpire=yes		; when reading a peer from Realtime, if the peer's registration
+;rtcachefriends=yes		; Cache realtime friends by adding them to the internal list
+				; just like friends added from the config file only on a
+				; as-needed basis? (yes|no)
+
+;rtupdate=yes			; Send registry updates to database using realtime? (yes|no)
+				; If set to yes, when a SIP UA registers successfully, the ip address,
+				; the origination port, the registration period, and the username of
+				; the UA will be set to database via realtime. If not present, defaults to 'yes'.
+
+;rtautoclear=yes		; Auto-Expire friends created on the fly on the same schedule
+				; as if it had just registered? (yes|no|<seconds>)
+				; If set to yes, when the registration expires, the friend will vanish from
+				; the configuration until requested again. If set to an integer,
+				; friends expire within this number of seconds instead of the
+				; registration interval.
+
+;rtignoreexpire=yes		; When reading a peer from Realtime, if the peer's registration
 				; has expired based on its registration interval, used the stored
-				; address information regardless
+				; address information regardless. (yes|no)
 
 ; Guest sections for unauthenticated connection attempts.  Just
 ; specify an empty secret, or provide no secret section.