diff --git a/lib/call-session.js b/lib/call-session.js
index ca108ea..9b8549c 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -1146,7 +1146,7 @@ Duration=${payload.duration} `
       // eslint-disable-next-line no-unused-vars
       const { via, from, to, 'call-id': callid, cseq, 'max-forwards': maxforwards,
       // eslint-disable-next-line no-unused-vars
-        'content-length': _contentlength, 'refer-to': _referto, 'referred-by': _referredby,
+        'content-length': _contentlength, 'refer-to': _referto, 'referred-by': referredby,
         // eslint-disable-next-line no-unused-vars
         'X-Refer-To-Leave-Untouched': _leave,
         ...customHeaders
@@ -1158,9 +1158,7 @@ Duration=${payload.duration} `
       const arr = /context-(.*)/.exec(uri.user);
       if (!arr) {
         /* call transfer requested */
-        const referredBy = req.getParsedHeader('Referred-By');
-        if (!referredBy) return res.send(400);
-        const u = parseUri(referredBy.uri);
+        if (!req.has('Referred-By')) return res.send(400);
 
         /* delete contact if it was there from feature server */
         delete customHeaders['contact'];
@@ -1169,7 +1167,7 @@ Duration=${payload.duration} `
           method: 'REFER',
           headers: {
             'Refer-To': `<${stringifyUri(uri)}>`,
-            'Referred-By': `<${stringifyUri(u)}>`,
+            'Referred-By': referredby,
             ...customHeaders
           }
         });
diff --git a/package-lock.json b/package-lock.json
index e211836..1d39234 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@jambonz/mw-registrar": "0.2.7",
         "@jambonz/realtimedb-helpers": "^0.8.9",
         "@jambonz/rtpengine-utils": "^0.4.4",
-        "@jambonz/siprec-client-utils": "^0.2.7",
+        "@jambonz/siprec-client-utils": "^0.2.9",
         "@jambonz/stats-collector": "^0.1.10",
         "@jambonz/time-series": "^0.2.10",
         "cidr-matcher": "^2.1.1",
@@ -628,9 +628,10 @@
       }
     },
     "node_modules/@jambonz/siprec-client-utils": {
-      "version": "0.2.7",
-      "resolved": "https://registry.npmjs.org/@jambonz/siprec-client-utils/-/siprec-client-utils-0.2.7.tgz",
-      "integrity": "sha512-VztOToBfXnOphg/y6kO+lBYqoDH7X5Ci0daXT5zQ8v5NnaZw+UwxGeFPX3knIR3r5pmzUld0f2giFOuD4ZOF8w==",
+      "version": "0.2.9",
+      "resolved": "https://registry.npmjs.org/@jambonz/siprec-client-utils/-/siprec-client-utils-0.2.9.tgz",
+      "integrity": "sha512-C/1UOrAvQVG0iwiSMS0MC9VHRjhg3/sOjNna+eEjHjws1SHl8NrKBoDL8uOwLqOM2ccpbqCPH9GJAxo5OnOhww==",
+      "license": "MIT",
       "dependencies": {
         "sdp-transform": "^2.14.1",
         "uuid": "^8.3.2"
diff --git a/package.json b/package.json
index 3af6baf..07a5b30 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@jambonz/http-health-check": "^0.0.1",
     "@jambonz/mw-registrar": "0.2.7",
     "@jambonz/rtpengine-utils": "^0.4.4",
-    "@jambonz/siprec-client-utils": "^0.2.7",
+    "@jambonz/siprec-client-utils": "^0.2.9",
     "@jambonz/stats-collector": "^0.1.10",
     "@jambonz/time-series": "^0.2.10",
     "cidr-matcher": "^2.1.1",