diff --git a/include/re_sipsess.h b/include/re_sipsess.h
index b1f0087e1..5c9db188b 100644
--- a/include/re_sipsess.h
+++ b/include/re_sipsess.h
@@ -83,4 +83,5 @@ void sipsess_close_all(struct sipsess_sock *sock);
 struct sip_dialog *sipsess_dialog(const struct sipsess *sess);
 void sipsess_abort(struct sipsess *sess);
 bool sipsess_ack_pending(const struct sipsess *sess);
+bool sipsess_msg_equal(const struct sipsess *sess, const struct sip_msg *msg);
 enum sdp_neg_state sipsess_sdp_neg_state(const struct sipsess *sess);
diff --git a/src/sipsess/sess.c b/src/sipsess/sess.c
index 18123aa91..a14ef8180 100644
--- a/src/sipsess/sess.c
+++ b/src/sipsess/sess.c
@@ -372,6 +372,21 @@ bool sipsess_ack_pending(const struct sipsess *sess)
 }
 
 
+/**
+ * Compares the sessions SIP message with given SIP message
+ *
+ * @param sess  SIP Session
+ * @param msg   SIP Message
+ * @return True if msg matches with sess->msg
+ */
+bool sipsess_msg_equal(const struct sipsess *sess, const struct sip_msg *msg)
+{
+	if (!sess)
+		return false;
+
+	return sess->msg == msg;
+}
+
 /**
  * Get the SDP negotiation state of a SIP Session
  *