diff --git a/lib/call-session.js b/lib/call-session.js
index db5fb72..7a05887 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -2,7 +2,7 @@ const Emitter = require('events');
 const {makeRtpEngineOpts} = require('./utils');
 const {forwardInDialogRequests} = require('drachtio-fn-b2b-sugar');
 const {SipError} = require('drachtio-srf');
-const {parseUri} = require('drachtio-srf');
+const {parseUri, stringifyUri} = require('drachtio-srf');
 const debug = require('debug')('jambonz:sbc-outbound');
 
 /**
@@ -66,14 +66,22 @@ class CallSession extends Emitter {
       };
 
       if (this.req.locals.registration) {
-        debug(`sending call to user ${JSON.stringify(this.req.locals.registration)}`);
+        debug(`sending call to registered user ${JSON.stringify(this.req.locals.registration)}`);
         const contact = this.req.locals.registration.contact;
+        let destUri = this.req.uri;
+        if (this.req.has('X-Override-To')) {
+          const dest = this.req.get('X-Override-To');
+          const uri = parseUri(contact);
+          uri.user = dest;
+          destUri = stringifyUri(uri);
+          this.logger.info(`overriding destination user with ${dest}, so final uri is ${destUri}`);
+        }
         if (contact.includes('transport=ws')) {
           uris = [contact];
         }
         else {
           proxy = this.req.locals.registration.contact;
-          uris = [this.req.uri];
+          uris = [destUri];
         }
       }
       else if (this.req.locals.target === 'forward') {