diff --git a/app/extensions/app_config.php b/app/extensions/app_config.php
index 625c0e02d2..c1a798ffa5 100644
--- a/app/extensions/app_config.php
+++ b/app/extensions/app_config.php
@@ -260,7 +260,8 @@
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "domain";
 		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "dial_string";
 		$apps[$x]['default_settings'][$y]['default_setting_name'] = "text";
-		$apps[$x]['default_settings'][$y]['default_setting_value'] = "{sip_invite_domain=\${domain_name},leg_timeout=\${call_timeout},presence_id=\${dialed_user}@\${dialed_domain}}\${sofia_contact(*/\${dialed_user}@\${dialed_domain})}";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "{sip_invite_domain=\${domain_name},leg_timeout=\${call_timeout},rtp_secure_media=\${regex(\${sofia_contact(\${dialed_user}@\${dialed_domain})}|transport=[Tt][Ll][Ss])},presence_id=\${dialed_user}@\${dialed_domain}}\${sofia_contact(*/\${dialed_user}@\${dialed_domain})}";
+";
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "";
 		$y++;