diff --git a/lib/session/call-session.js b/lib/session/call-session.js
index 4348e66d..8544b0fe 100644
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -1161,7 +1161,12 @@ class CallSession extends Emitter {
     // need to allocate an endpoint
     try {
       if (!this.ms) this.ms = this.getMS();
-      const ep = await this.ms.createEndpoint({remoteSdp: this.req.body});
+      const ep = await this.ms.createEndpoint({
+        headers: {
+          'X-Jambones-Call-ID': this.callId,
+        },
+        remoteSdp: this.req.body
+      });
       //ep.cs = this;
       this.ep = ep;
       ep.set({