diff --git a/suites/voice/mo_mt_call.py b/suites/voice/mo_mt_call.py
index fa3b900..aeda80d 100755
--- a/suites/voice/mo_mt_call.py
+++ b/suites/voice/mo_mt_call.py
@@ -3,10 +3,10 @@
 
 hlr = suite.hlr()
 bts = suite.bts()
-mgcpgw = suite.mgcpgw(bts_ip=bts.remote_addr())
+mgw_msc = suite.mgw()
 mgw_bsc = suite.mgw()
 stp = suite.stp()
-msc = suite.msc(hlr, mgcpgw, stp)
+msc = suite.msc(hlr, mgw_msc, stp)
 bsc = suite.bsc(msc, mgw_bsc, stp)
 ms_mo = suite.modem()
 ms_mt = suite.modem()
@@ -14,7 +14,7 @@
 hlr.start()
 stp.start()
 msc.start()
-mgcpgw.start()
+mgw_msc.start()
 mgw_bsc.start()
 
 bsc.bts_add(bts)