MSC_Tests_Iu.TC_iu_gsup_mo_mt_sms_rp_mr (from Titan)
Rx unexpected GSUP message MSC_Tests_Iu.ttcn:592 MSC_Tests_Iu control part MSC_Tests_Iu.ttcn:400 TC_iu_gsup_mo_mt_sms_rp_mr testcase