MSC/BSC_ConnectionHandler: only keep SMSC address in SmsParametersRp

When sending MO or MT SMS, we never include both SM-RP-DA/OA IEs
at the same time. In case of MO SMS, SM-RP-OA is omitted, and in
case of MT SMS - SM-RP-DA is omitted.

Change-Id: Ia60bdd2498034b6b849f874cf1eee272abef2b47
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 05d0ef6..439d7f1 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -4702,7 +4702,7 @@
 
 	tp_mo := ts_SMS_SUBMIT(spars.tp.msg_ref, spars.tp.da, spars.tp.pid, spars.tp.dcs,
 				 spars.tp.udl, spars.tp.ud);
-	rp_mo := ts_RP_DATA_MO(spars.rp.msg_ref, spars.rp.orig, spars.rp.dest, tp_mo);
+	rp_mo := ts_RP_DATA_MO(spars.rp.msg_ref, omit, spars.rp.smsc_addr, tp_mo);
 	l3_mo := ts_ML3_MO_SMS(spars.tid, c_TIF_ORIG, ts_CP_DATA_MO(rp_mo));
 
 	SGsAP.send(l3_mo);