diff --git a/lib/tasks/sip_refer.js b/lib/tasks/sip_refer.js
index 3b307517..6a31b57a 100644
--- a/lib/tasks/sip_refer.js
+++ b/lib/tasks/sip_refer.js
@@ -12,6 +12,7 @@ class TaskSipRefer extends Task {
 
     this.referTo = this.data.referTo;
     this.referredBy = this.data.referredBy;
+    this.referredByDisplayName = this.data.referredByDisplayName;
     this.headers = this.data.headers || {};
     this.eventHook = this.data.eventHook;
   }
@@ -105,7 +106,7 @@ class TaskSipRefer extends Task {
   }
 
   _normalizeReferHeaders(cs, dlg) {
-    let {referTo, referredBy} = this;
+    let {referTo, referredBy, referredByDisplayName} = this;
 
     /* get IP address of the SBC to use as hostname if needed */
     const {host} = parseUri(dlg.remote.uri);
@@ -120,9 +121,12 @@ class TaskSipRefer extends Task {
       referredBy = cs.req?.callingNumber || dlg.local.uri;
       this.logger.info({referredBy}, 'setting referredby');
     }
+    if (!referredByDisplayName) {
+      referredByDisplayName = cs.req?.callingName;
+    }
     if (!referredBy.startsWith('<') && !referredBy.startsWith('sip') && !referredBy.startsWith('"')) {
       /* they may have only provided a phone number/user */
-      referredBy = `sip:${referredBy}@${host}`;
+      referredBy = `${referredByDisplayName ? `"${referredByDisplayName}"` : ''}<sip:${referredBy}@${host}>`;
     }
     return {referTo, referredBy};
   }
diff --git a/package-lock.json b/package-lock.json
index 1b561e71..1a26a3e1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@jambonz/speech-utils": "^0.1.22",
         "@jambonz/stats-collector": "^0.1.10",
         "@jambonz/time-series": "^0.2.12",
-        "@jambonz/verb-specifications": "^0.0.86",
+        "@jambonz/verb-specifications": "^0.0.90",
         "@opentelemetry/api": "^1.8.0",
         "@opentelemetry/exporter-jaeger": "^1.23.0",
         "@opentelemetry/exporter-trace-otlp-http": "^0.50.0",
@@ -1582,9 +1582,10 @@
       }
     },
     "node_modules/@jambonz/verb-specifications": {
-      "version": "0.0.86",
-      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.86.tgz",
-      "integrity": "sha512-nTMMeFJtkSIVD3icQajOKv+zFBiAaUNuky2htVgYKipE2AIq/H/SsdurYdBij3KQq1o58/FuUuXcqCwjnZnoUg==",
+      "version": "0.0.90",
+      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.90.tgz",
+      "integrity": "sha512-ix2XByDTSroWlEMMY26ba2mbON4Yh3911Agm44GeV3ygmJMGABwCv28KqItOVBW0Ro5uSM+cQ0vEacPVnmAldA==",
+      "license": "MIT",
       "dependencies": {
         "debug": "^4.3.4",
         "pino": "^8.8.0"
@@ -10753,9 +10754,9 @@
       }
     },
     "@jambonz/verb-specifications": {
-      "version": "0.0.86",
-      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.86.tgz",
-      "integrity": "sha512-nTMMeFJtkSIVD3icQajOKv+zFBiAaUNuky2htVgYKipE2AIq/H/SsdurYdBij3KQq1o58/FuUuXcqCwjnZnoUg==",
+      "version": "0.0.90",
+      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.90.tgz",
+      "integrity": "sha512-ix2XByDTSroWlEMMY26ba2mbON4Yh3911Agm44GeV3ygmJMGABwCv28KqItOVBW0Ro5uSM+cQ0vEacPVnmAldA==",
       "requires": {
         "debug": "^4.3.4",
         "pino": "^8.8.0"
diff --git a/package.json b/package.json
index e619b269..485dcc4d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@jambonz/speech-utils": "^0.1.22",
     "@jambonz/stats-collector": "^0.1.10",
     "@jambonz/time-series": "^0.2.12",
-    "@jambonz/verb-specifications": "^0.0.86",
+    "@jambonz/verb-specifications": "^0.0.90",
     "@opentelemetry/api": "^1.8.0",
     "@opentelemetry/exporter-jaeger": "^1.23.0",
     "@opentelemetry/exporter-trace-otlp-http": "^0.50.0",