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Failover for fax when there are multiple bridges
When the outbound route has more than one bridge statement use it for fail over. One thing to keep in mind FreeSWITCH seems to limit the sized of the originate command. So we have to be careful how large the string is. If the originate string is too long it will be truncated and fail. For this reason commented out a few variables.
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FusionPBX
@@ -712,99 +712,111 @@ if (!function_exists('fax_split_dtmf')) {
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//send the fax
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$fax_file = $dir_fax_sent."/".$fax_instance_uuid.".tif";
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$common_variables = "fax_queue_uuid=".$fax_queue_uuid.",";
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$common_variables .= "accountcode='".$fax_accountcode."',";
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$common_variables .= "fax_uuid=" . $fax_uuid . ",";
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//$common_variables .= "accountcode='".$fax_accountcode."',";
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$common_variables .= "sip_h_accountcode='".$fax_accountcode."',";
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$common_variables .= "domain_uuid=".$domain_uuid.",";
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$common_variables .= "domain_name=".$domain_name.",";
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$common_variables .= "origination_caller_id_name='".$fax_caller_id_name."',";
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if (!empty($fax_caller_id_name)) {
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$common_variables .= "origination_caller_id_name='".$fax_caller_id_name."',";
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}
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$common_variables .= "origination_caller_id_number='".$fax_caller_id_number."',";
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$common_variables .= "fax_ident='".$fax_caller_id_number."',";
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$common_variables .= "fax_header='".$fax_caller_id_name."',";
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//$common_variables .= "fax_header='".$fax_caller_id_name."',";
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$common_variables .= "fax_file='".$fax_file."',";
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if (!empty($provider_prefix)) {
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$common_variables .= "provider_prefix='".$provider_prefix."',";
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}
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foreach ($fax_numbers as $fax_number) {
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if (!empty($fax_numbers)) {
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foreach ($fax_numbers as $fax_number) {
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$fax_number = trim($fax_number);
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fax_split_dtmf($fax_number, $fax_dtmf);
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$fax_number = trim($fax_number);
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fax_split_dtmf($fax_number, $fax_dtmf);
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//prepare the fax command
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$channel_variables["toll_allow"] = !empty($fax_toll_allow) ? $fax_toll_allow : null;
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$route_array = outbound_route_to_bridge($domain_uuid, $fax_prefix . $fax_number, $channel_variables);
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//prepare the fax command
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$channel_variables["toll_allow"] = !empty($fax_toll_allow) ? $fax_toll_allow : null;
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$route_array = outbound_route_to_bridge($domain_uuid, $fax_prefix . $fax_number, $channel_variables);
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if (!empty($route_array) && count($route_array) == 0) {
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//send the internal call to the registered extension
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$fax_uri = "user/".$fax_number."@".$domain_name;
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$fax_variables = "";
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}
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else {
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//prepare the fax uri
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$fax_uri = $route_array[0];
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if (!empty($route_array) && count($route_array) == 0) {
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//send the internal call to the registered extension
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$fax_uri = "user/".$fax_number."@".$domain_name;
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$fax_variables = '';
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}
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else {
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foreach($route_array as $key => $bridge) {
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//add the bridge to the fax_uri, after first iteration add the delimiter
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if ($key == 0) {
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$fax_uri = $bridge;
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}
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else {
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$fax_uri .= '|'.$bridge;
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}
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//add the provider_prefix
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if (!empty($provider_prefix)) {
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$fax_uri = preg_replace('/\${provider_prefix}/', $provider_prefix, $fax_uri);
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//add the provider_prefix
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if (!empty($provider_prefix)) {
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$fax_uri = preg_replace('/\${provider_prefix}/', $provider_prefix, $fax_uri);
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}
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//remove switch ${variables} from the bridge statement
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$fax_uri = preg_replace('/\${[^}]+}/', '', $fax_uri);
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}
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//send the external call
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$fax_variables = '';
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foreach($setting->get('fax','variable') as $variable) {
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$fax_variables .= $variable.",";
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}
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}
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//remove switch ${variables} from the bridge statement
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$fax_uri = preg_replace('/\${[^}]+}/', '', $fax_uri);
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//build the fax dial string
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$dial_string = $common_variables;
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$dial_string .= $fax_variables;
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$dial_string .= "mailto_address='" . $mail_to_address . "',";
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$dial_string .= "mailfrom_address='" . $mail_from_address . "',";
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//$dial_string .= "fax_uri=" . $fax_uri . ",";
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//$dial_string .= "fax_retry_attempts=1" . ",";
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//$dial_string .= "fax_retry_limit=20" . ",";
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//$dial_string .= "fax_retry_sleep=180" . ",";
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//$dial_string .= "fax_verbose=true" . ",";
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$dial_string .= "fax_use_ecm=off" . ",";
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$dial_string .= "api_hangup_hook='lua app/fax/resources/scripts/hangup_tx.lua'";
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$dial_string = "{" . $dial_string . "}" . $fax_uri." &txfax('".$fax_file."')";
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//send the external call
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$fax_variables = '';
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foreach($setting->get('fax','variable') as $variable) {
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$fax_variables .= $variable.",";
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}
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//build an array to add the fax to the queue
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$array['fax_queue'][0]['fax_queue_uuid'] = $fax_queue_uuid;
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$array['fax_queue'][0]['domain_uuid'] = $domain_uuid;
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$array['fax_queue'][0]['fax_uuid'] = $fax_uuid;
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$array['fax_queue'][0]['fax_date'] = 'now()';
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$array['fax_queue'][0]['hostname'] = gethostname();
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$array['fax_queue'][0]['fax_caller_id_name'] = $fax_caller_id_name;
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$array['fax_queue'][0]['fax_caller_id_number'] = $fax_caller_id_number;
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$array['fax_queue'][0]['fax_number'] = $fax_number;
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$array['fax_queue'][0]['fax_prefix'] = $fax_prefix;
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$array['fax_queue'][0]['fax_email_address'] = $mail_to_address;
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$array['fax_queue'][0]['fax_file'] = $fax_file;
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$array['fax_queue'][0]['fax_status'] = 'waiting';
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//$array['fax_queue'][0]['fax_retry_date'] = $fax_retry_date;
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$array['fax_queue'][0]['fax_retry_count'] = 0;
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$array['fax_queue'][0]['fax_accountcode'] = $fax_accountcode;
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$array['fax_queue'][0]['fax_command'] = 'originate '.$dial_string;
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//add temporary permisison
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$p = new permissions;
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$p->add('fax_queue_add', 'temp');
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//save the data
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$database = new database;
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$database->app_name = 'fax queue';
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$database->app_uuid = '3656287f-4b22-4cf1-91f6-00386bf488f4';
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$database->save($array);
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//remove temporary permisison
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$p->delete('fax_queue_add', 'temp');
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//add message to show in the browser
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message::add($text['confirm-queued']);
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}
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//build the fax dial string
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$dial_string = $common_variables;
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$dial_string .= $fax_variables;
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$dial_string .= "mailto_address='" . $mail_to_address . "',";
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$dial_string .= "mailfrom_address='" . $mail_from_address . "',";
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$dial_string .= "fax_uri=" . $fax_uri . ",";
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$dial_string .= "fax_retry_attempts=1" . ",";
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$dial_string .= "fax_retry_limit=20" . ",";
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$dial_string .= "fax_retry_sleep=180" . ",";
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//$dial_string .= "fax_verbose=true" . ",";
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$dial_string .= "fax_use_ecm=off" . ",";
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$dial_string .= "api_hangup_hook='lua app/fax/resources/scripts/hangup_tx.lua'";
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$dial_string = "{" . $dial_string . "}" . $fax_uri." &txfax('".$fax_file."')";
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//build an array to add the fax to the queue
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$array['fax_queue'][0]['fax_queue_uuid'] = $fax_queue_uuid;
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$array['fax_queue'][0]['domain_uuid'] = $domain_uuid;
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$array['fax_queue'][0]['fax_uuid'] = $fax_uuid;
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$array['fax_queue'][0]['fax_date'] = 'now()';
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$array['fax_queue'][0]['hostname'] = gethostname();
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$array['fax_queue'][0]['fax_caller_id_name'] = $fax_caller_id_name;
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$array['fax_queue'][0]['fax_caller_id_number'] = $fax_caller_id_number;
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$array['fax_queue'][0]['fax_number'] = $fax_number;
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$array['fax_queue'][0]['fax_prefix'] = $fax_prefix;
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$array['fax_queue'][0]['fax_email_address'] = $mail_to_address;
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$array['fax_queue'][0]['fax_file'] = $fax_file;
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$array['fax_queue'][0]['fax_status'] = 'waiting';
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//$array['fax_queue'][0]['fax_retry_date'] = $fax_retry_date;
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$array['fax_queue'][0]['fax_retry_count'] = 0;
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$array['fax_queue'][0]['fax_accountcode'] = $fax_accountcode;
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$array['fax_queue'][0]['fax_command'] = 'originate '.$dial_string;
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//add temporary permisison
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$p = new permissions;
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$p->add('fax_queue_add', 'temp');
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//save the data
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$database = new database;
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$database->app_name = 'fax queue';
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$database->app_uuid = '3656287f-4b22-4cf1-91f6-00386bf488f4';
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$database->save($array);
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//remove temporary permisison
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$p->delete('fax_queue_add', 'temp');
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//add message to show in the browser
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message::add($text['confirm-queued']);
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}
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//redirect the browser
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