diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 9defea7..de00e9d 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -2482,7 +2482,7 @@
 		flow[0].rtp_cfg := c_RtpemDefaultCfg;
 		flow[0].rtp_cfg.tx_payload_type := flow[0].pt;
 		flow[0].rtp_cfg.iuup_mode := true;
-		flow[0].rtp_cfg.iuup_tx_init := true;
+		flow[0].rtp_cfg.iuup_cfg.active_init := true;
 		f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow[0], true);
 		f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);
 
@@ -2493,7 +2493,7 @@
 		flow[1].rtp_cfg := c_RtpemDefaultCfg;
 		flow[1].rtp_cfg.tx_payload_type := flow[1].pt;
 		flow[1].rtp_cfg.iuup_mode := true;
-		flow[1].rtp_cfg.iuup_tx_init := false;
+		flow[1].rtp_cfg.iuup_cfg.active_init := false;
 		f_flow_create(RTPEM[1], ep, call_id, "recvonly", flow[1], true);
 		f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY);
 
@@ -2601,7 +2601,7 @@
 		flow[0].rtp_cfg.tx_fixed_payload := '4f28959ffeb80181f5c4e83d176c897b4a4e333298333419a493ca63ded6e0'O;
 		flow[0].rtp_cfg.rx_fixed_payload := '08556d944c71a1a081e7ead204244480000ecd82b81118000097c4794e7740'O; /* flow[1].rtp_cfg.tx_fixed_payload converted AMR-BE-RTP->AMR-IUUP*/
 		flow[0].rtp_cfg.iuup_mode := true;
-		flow[0].rtp_cfg.iuup_tx_init := true;
+		flow[0].rtp_cfg.iuup_cfg.active_init := true;
 		f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow[0], true);
 		f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);