diff --git a/include/osmocom/msc/ran_msg.h b/include/osmocom/msc/ran_msg.h
index 1b0e2e8..3b08b46 100644
--- a/include/osmocom/msc/ran_msg.h
+++ b/include/osmocom/msc/ran_msg.h
@@ -86,6 +86,8 @@
 	enum nsap_addr_enc rab_assign_addr_enc;
 	bool osmux_present;
 	uint8_t osmux_cid;
+	bool call_id_present;
+	uint32_t call_id;
 };
 
 struct ran_cipher_mode_command {