diff --git a/lib/controller/offline.js b/lib/controller/offline.js
index 98bf3ec8bdee18d9a4b7f2e868c9f0fb2733bbd3..83b1516f11327a7287e64085ffc2c35ff80a01be 100644
--- a/lib/controller/offline.js
+++ b/lib/controller/offline.js
@@ -23,7 +23,7 @@ module.exports = config => {
   const uuidv1 = require('uuid/v1');
 
   return {
-    transcript: (wavFile, enhancementlCallback) => {
+    transcript: (wavFile, model, enhancementlCallback) => {
       let port = config.port;
       if (process.env.OFFLINE_PORT !== undefined) {
         port = process.env.OFFLINE_PORT;
@@ -45,7 +45,8 @@ module.exports = config => {
               filename: myUuidString,
               contentType: 'audio/x-wav'
             }
-          }
+          },
+          model
         },
         encoding: null
       };
diff --git a/lib/webserver/routes.js b/lib/webserver/routes.js
index f64fa1bb8dd317845469b695dc6b62e21325af86..abf0b79a3bc58fca1a910435c6d371e31ac0374f 100644
--- a/lib/webserver/routes.js
+++ b/lib/webserver/routes.js
@@ -32,11 +32,15 @@ const routesFactory = config => {
   const stt = require('../controller/speech-to-text')(config.gstreamer);
   const offline = require('../controller/offline')(config.offline);
 
-  routes.post('/api/transcript', (req, res) => {
+  routes.post('/api/transcript/:model*?', (req, res) => {
     if (!req.body) {
       return res.status(badRequestCode).send('No files were uploaded.');
     }
 
+    if (req.params.model === undefined) {
+      req.params.model = 'uc1';
+    }
+
     enhancer.enhancement(req.body, (err, response, body) => {
       if (err) {
         return res.status(interalServerCode).json({module: 'Enhancement', error: 'Error during audio enhancing', info: err.toString()});
@@ -45,7 +49,7 @@ const routesFactory = config => {
       }
 
       if (process.env.IS_OFFLINE === 'true' || (process.env.IS_OFFLINE === undefined && config.isOffline === true)) {
-        offline.transcript(body, (err, response, body) => {
+        offline.transcript(body, req.params.model, (err, response, body) => {
           if (err) {
             return res.status(interalServerCode).json({module: 'Offline transcription', error: 'Error during audio transcription', info: err.toString()});
           } else if (response === undefined || body === undefined || response.statusCode !== successCode) {
@@ -58,10 +62,10 @@ const routesFactory = config => {
           }
 
           const jsonStr = json.transcript.transcription;
-          const transcription = JSON.parse(json.transcript.transcription);
           let jsonResponse = {};
-
           try {
+            const transcription = JSON.parse(json.transcript.transcription);
+
             jsonResponse = {
               status: 0,
               hypotheses: transcription.hypotheses,