diff --git a/lib/tasks/conference.js b/lib/tasks/conference.js
index 6442d5d1a..26d3acf1b 100644
--- a/lib/tasks/conference.js
+++ b/lib/tasks/conference.js
@@ -627,7 +627,7 @@ class Conference extends Task {
     assert(!this._playSession);
     const b3 = this.getTracingPropagation();
     const httpHeaders = b3 && {b3};
-    const json = await cs.application.requestor.request('verb:hook', hook, cs.callInfo, httpHeaders);
+    const json = await cs.application.requestor.request('verb:hook', hook, cs.callInfo.toJSON(), httpHeaders);
     const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
 
     const allowedTasks = tasks.filter((t) => allowed.includes(t.name));
diff --git a/lib/tasks/gather.js b/lib/tasks/gather.js
index fe0155865..983059f1f 100644
--- a/lib/tasks/gather.js
+++ b/lib/tasks/gather.js
@@ -879,7 +879,7 @@ class TaskGather extends SttTask {
         const b3 = this.getTracingPropagation();
         const httpHeaders = b3 && {b3};
         this.cs.requestor.request('verb:hook', this.partialResultHook,  Object.assign({speech: evt},
-          this.cs.callInfo, httpHeaders));
+          this.cs.callInfo.toJSON(), httpHeaders));
       }
       if (this.vendor === 'soniox') {
         if (evt.vendor.finalWords.length) {
diff --git a/lib/tasks/transcribe.js b/lib/tasks/transcribe.js
index 1932adf9a..cfc45d0af 100644
--- a/lib/tasks/transcribe.js
+++ b/lib/tasks/transcribe.js
@@ -474,7 +474,7 @@ class TaskTranscribe extends SttTask {
       const b3 = this.getTracingPropagation();
       const httpHeaders = b3 && {b3};
       const payload = {
-        ...this.cs.callInfo,
+        ...this.cs.callInfo.toJSON(),
         ...httpHeaders,
         ...(evt.alternatives && {speech: evt}),
         ...(evt.type && {speechEvent: evt})