diff --git a/lib/session/rest-call-session.js b/lib/session/rest-call-session.js
index 35a3382f..bf8513b9 100644
--- a/lib/session/rest-call-session.js
+++ b/lib/session/rest-call-session.js
@@ -46,6 +46,7 @@ class RestCallSession extends CallSession {
     this.dlg = dlg;
     dlg.on('destroy', this._callerHungup.bind(this));
     dlg.on('refer', this._onRefer.bind(this));
+    dlg.on('modify', this._onReinvite.bind(this));
     this.wrapDialog(dlg);
   }