diff --git a/conf/vanilla/sip_profiles/internal.xml b/conf/vanilla/sip_profiles/internal.xml
index 375eecbbc3..9eb66259af 100644
--- a/conf/vanilla/sip_profiles/internal.xml
+++ b/conf/vanilla/sip_profiles/internal.xml
@@ -178,6 +178,10 @@
     <!-- if you want to send any special bind params of your own -->
     <!--<param name="bind-params" value="transport=udp"/>-->
     <!--<param name="unregister-on-options-fail" value="true"/>-->
+    <!-- Send an OPTIONS packet to all registered endpoints -->
+    <!--<param name="all-reg-options-ping" value="true"/>-->
+    <!-- Send an OPTIONS packet to NATed registered endpoints. Can be 'true' or 'udp-only'. --!>
+    <!--<param name="nat-options-ping" value="true"/>-->
 
     <!-- TLS: disabled by default, set to "true" to enable -->
     <param name="tls" value="$${internal_ssl_enable}"/>
diff --git a/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml b/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
index 5bd3a6dc12..411ea3e44e 100644
--- a/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
+++ b/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
@@ -205,6 +205,10 @@
         <!-- if you want to send any special bind params of your own -->
         <!-- <param name="bind-params" value="transport=udp"/> -->
         <!-- <param name="unregister-on-options-fail" value="true"/> -->
+        <!-- Send an OPTIONS packet to all registered endpoints -->
+        <!--<param name="all-reg-options-ping" value="true"/>-->
+        <!-- Send an OPTIONS packet to NATed registered endpoints. Can be 'true' or 'udp-only
+        <!--<param name="nat-options-ping" value="true"/>-->
 
         <!-- TLS: disabled by default, set to "true" to enable -->
         <param name="tls" value="$${internal_ssl_enable}"/>
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.h b/src/mod/endpoints/mod_sofia/mod_sofia.h
index 263ca80f0b..f1fadd2475 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.h
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.h
@@ -240,6 +240,7 @@ typedef enum {
 	PFLAG_DISABLE_NAPTR,
 	PFLAG_AUTOFLUSH,
 	PFLAG_NAT_OPTIONS_PING,
+	PFLAG_UDP_NAT_OPTIONS_PING,
 	PFLAG_ALL_REG_OPTIONS_PING,
 	PFLAG_AUTOFIX_TIMING,
 	PFLAG_MESSAGE_QUERY_ON_REGISTER,
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 813e2a0f36..f2aa652f82 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -4282,10 +4282,13 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
 					} else if (!strcasecmp(var, "contact-user")) {
 						profile->contact_user = switch_core_strdup(profile->pool, val);
 					} else if (!strcasecmp(var, "nat-options-ping")) {
-						if (switch_true(val)) {
+						if (!strcasecmp(val, "udp-only")) {
+							sofia_set_pflag(profile, PFLAG_UDP_NAT_OPTIONS_PING);
+						} else if (switch_true(val)) {
 							sofia_set_pflag(profile, PFLAG_NAT_OPTIONS_PING);
 						} else {
 							sofia_clear_pflag(profile, PFLAG_NAT_OPTIONS_PING);
+							sofia_clear_pflag(profile, PFLAG_UDP_NAT_OPTIONS_PING);
 						}
 					} else if (!strcasecmp(var, "all-reg-options-ping")) { 
 						if (switch_true(val)) {
diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index fc4a448100..3487b4f0fc 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -802,6 +802,14 @@ void sofia_reg_check_expire(sofia_profile_t *profile, time_t now, int reboot)
  " from sip_registrations where hostname='%s' and " 
  "profile_name='%s'", mod_sofia_globals.hostname, profile->name); 
 			
+			sofia_glue_execute_sql_callback(profile, profile->dbh_mutex, sql, sofia_reg_nat_callback, profile);
+			switch_safe_free(sql);
+		} else if (sofia_test_pflag(profile, PFLAG_UDP_NAT_OPTIONS_PING)) {
+			sql = switch_mprintf("select call_id,sip_user,sip_host,contact,status,rpid,"
+							"expires,user_agent,server_user,server_host,profile_name"
+							" from sip_registrations where status like '%%UDP-NAT%%' "
+ "and hostname='%s' and profile_name='%s'", mod_sofia_globals.hostname, profile->name); 
+			
 			sofia_glue_execute_sql_callback(profile, profile->dbh_mutex, sql, sofia_reg_nat_callback, profile);
 			switch_safe_free(sql);
 		} else if (sofia_test_pflag(profile, PFLAG_NAT_OPTIONS_PING)) {