diff --git a/build-images.sh b/build-images.sh
index 93ece7c8d..f151d917b 100644
--- a/build-images.sh
+++ b/build-images.sh
@@ -100,7 +100,7 @@ images+=("${repobase}/${reponame}")
 ##      NethCTI Client     ##
 #############################
 reponame="nethvoice-cti-ui"
-container=$(buildah from ghcr.io/nethesis/nethvoice-cti:v0.13.5)
+container=$(buildah from ghcr.io/nethesis/nethvoice-cti:v0.13.7)
 
 # Commit the image
 buildah commit "${container}" "${repobase}/${reponame}"
diff --git a/freepbx/initdb.d/update.php b/freepbx/initdb.d/update.php
index 50f149005..3c026809a 100644
--- a/freepbx/initdb.d/update.php
+++ b/freepbx/initdb.d/update.php
@@ -73,4 +73,6 @@
 $stmt->execute();
 $stmt = $db->prepare("INSERT IGNORE INTO `asterisk`.`admin` (`variable`, `value`) VALUES ('NETHVOICE_HOST',?)");
 $stmt->execute([$_ENV['NETHVOICE_HOST']]);
-
+// Add Audio Test feature code
+$stmt = $db->prepare("INSERT IGNORE INTO `featurecodes` (`modulename`,`featurename`,`description`,`helptext`,`defaultcode`,`customcode`,`enabled`,`providedest`) VALUES ('nethcti3','audio_test','Audio Test','NethVoice CTI Audio Test','*41',NULL,1,0)");
+$stmt->execute();
diff --git a/freepbx/var/www/html/freepbx/admin/modules/nethcti3/Nethcti3.class.php b/freepbx/var/www/html/freepbx/admin/modules/nethcti3/Nethcti3.class.php
index cf6c1074c..3b4a2f88d 100644
--- a/freepbx/var/www/html/freepbx/admin/modules/nethcti3/Nethcti3.class.php
+++ b/freepbx/var/www/html/freepbx/admin/modules/nethcti3/Nethcti3.class.php
@@ -180,7 +180,7 @@ public function getQueuesConfiguration() {
     public function getFeaturecodesConfiguration() {
     try {
         $result = array();
-        $codes_to_pick = array("pickup","confbridge_conf","que_toggle","dnd_toggle","incall_audio"); //Add here more codes
+        $codes_to_pick = array("pickup","confbridge_conf","que_toggle","dnd_toggle","incall_audio","audio_test"); //Add here more codes
         $featurecodes = featurecodes_getAllFeaturesDetailed();
         foreach ($featurecodes as $featurcode) {
             if (in_array($featurcode['featurename'],$codes_to_pick)) {
diff --git a/freepbx/var/www/html/freepbx/admin/modules/nethcti3/functions.inc.php b/freepbx/var/www/html/freepbx/admin/modules/nethcti3/functions.inc.php
index 4d3020836..fd2b748c6 100644
--- a/freepbx/var/www/html/freepbx/admin/modules/nethcti3/functions.inc.php
+++ b/freepbx/var/www/html/freepbx/admin/modules/nethcti3/functions.inc.php
@@ -32,7 +32,7 @@ function nethcti3_get_config($engine) {
             /*Configure conference*/
             $defaultVal = $amp_conf['ASTCONFAPP'];
             $amp_conf['ASTCONFAPP'] = 'app_confbridge';
-            $query='SELECT featurename,IF(customcode IS NULL OR customcode = "",defaultcode,customcode) as defaultcode FROM featurecodes WHERE ( modulename="nethcti3" OR modulename="donotdisturb" ) AND ( featurename="confbridge_conf" OR featurename="incall_audio" OR featurename="dnd_on" OR featurename="dnd_off" OR featurename="dnd_toggle") AND enabled="1"';
+            $query='SELECT featurename,IF(customcode IS NULL OR customcode = "",defaultcode,customcode) as defaultcode FROM featurecodes WHERE ( modulename="nethcti3" OR modulename="donotdisturb" ) AND ( featurename="confbridge_conf" OR featurename="incall_audio" OR featurename="audio_test" OR featurename="dnd_on" OR featurename="dnd_off" OR featurename="dnd_toggle") AND enabled="1"';
             $codes = array();
             foreach ($db->getAll($query) as $feature) {
                 $codes[$feature[0]] = $feature[1];
@@ -70,6 +70,18 @@ function nethcti3_get_config($engine) {
                 $ext->add($context2, $exten2, '', new ext_playback('nethcti/incall_audio/file-${EXTEN}'));
                 $ext->add($context2, $exten2, '', new ext_hangup());
             }
+            if (isset($codes['audio_test']) && $codes['audio_test'] != '') {
+                $exten=$codes['audio_test'];
+                $context='audio-test';
+                $ext->addInclude('ext-test', $context);
+                $ext->add($context, $exten, '', new ext_noop('Audio Test'));
+                $ext->add($context, $exten, '', new ext_set('CONNECTEDLINE(name-charset,i)','utf8'));
+                $ext->add($context, $exten, '', new ext_set('CONNECTEDLINE(name,i)',_("Audio Test")));
+                $ext->add($context, $exten, '', new ext_set('CONNECTEDLINE(num,i)',$exten));
+                $ext->add($context, $exten, '', new ext_answer());
+                $ext->add($context, $exten, '', new ext_playback('silence/2'));
+                $ext->add($context, $exten, '', new ext_hangup());
+            }
             /* add user and admin profile to confbridge_additional.conf */
             if (isset($conferences_conf) && is_a($conferences_conf, "conferences_conf")) {
                 /* get default language */
diff --git a/mariadb/docker-entrypoint-initdb.d/50_asterisk.featurecodes.sql b/mariadb/docker-entrypoint-initdb.d/50_asterisk.featurecodes.sql
index fda4546c7..8a87ab5ee 100644
--- a/mariadb/docker-entrypoint-initdb.d/50_asterisk.featurecodes.sql
+++ b/mariadb/docker-entrypoint-initdb.d/50_asterisk.featurecodes.sql
@@ -54,8 +54,9 @@ INSERT INTO `featurecodes` (`modulename`,`featurename`,`description`,`helptext`,
 ("infoservices","echotest","Echo Test","","*43","",1,1),
 ("infoservices","speakextennum","Speak Your Exten Number","","*65","",1,0),
 ("infoservices","speakingclock","Speaking Clock","","*60","",1,1),
-("nethcti3","incall_audio","Incall Audio","NethCTI 3 Incall Audio","1987",NULL,1,0),
-("nethcti3","confbridge_conf","Conference","NethCTI 3 conference","987",NULL,1,0),
+("nethcti3","audio_test","Audio Test","NethVoice CTI Audio Test","*41",NULL,1,0),
+("nethcti3","incall_audio","Incall Audio","NethVoice CTI Incall Audio","1987",NULL,1,0),
+("nethcti3","confbridge_conf","Conference","NethVoice CTI conference","987",NULL,1,0),
 ("paging","intercom-off","User Intercom Disallow","","*55","",1,0),
 ("paging","intercom-on","User Intercom Allow","","*54","",1,0),
 ("paging","intercom-prefix","Intercom prefix","","*80","",1,0),