diff --git a/library/RSL_Types.ttcn b/library/RSL_Types.ttcn
index 45d6aecd9..ddee44dff 100644
--- a/library/RSL_Types.ttcn
+++ b/library/RSL_Types.ttcn
@@ -1369,7 +1369,7 @@ template RSL_Message tr_RSL_MsgTypeDR(template RSL_MessageType msg_type) modifie
 	}
 
 	template RSL_Message ts_RSL_IPA_MDCX_ACK(RslChannelNr chan_nr, template uint16_t ipa_conn_id,
-						 uint32_t remote_ip, uint16_t remote_port,
+						 uint32_t local_ip, uint16_t local_port,
 						 uint7_t rtp_pt2) := {
 		msg_disc := ts_RSL_MsgDisc(RSL_MDISC_IPACCESS, false),
 		msg_type := RSL_MT_IPAC_MDCX_ACK,
@@ -1377,8 +1377,8 @@ template RSL_Message tr_RSL_MsgTypeDR(template RSL_MessageType msg_type) modifie
 			t_RSL_IE(RSL_IE_CHAN_NR, RSL_IE_Body:{chan_nr := chan_nr}),
 			/* optional */
 			t_RSL_IE(RSL_IE_IPAC_CONN_ID, RSL_IE_Body:{ipa_conn_id := ipa_conn_id}),
-			t_RSL_IE(RSL_IE_IPAC_REMOTE_IP, RSL_IE_Body:{ipa_remote_ip := remote_ip}),
-			t_RSL_IE(RSL_IE_IPAC_REMOTE_PORT, RSL_IE_Body:{ipa_remote_port := remote_port}),
+			t_RSL_IE(RSL_IE_IPAC_LOCAL_IP, RSL_IE_Body:{ipa_local_ip := local_ip}),
+			t_RSL_IE(RSL_IE_IPAC_LOCAL_PORT, RSL_IE_Body:{ipa_local_port := local_port}),
 			/* optional: RTP Payload Type */
 			t_RSL_IE(RSL_IE_IPAC_RTP_PAYLOAD2, RSL_IE_Body:{ipa_rtp_pt2 := rtp_pt2})
 		}