BTS_Tests_LAPDm.TC_rec_invalid_frame (from Titan)
"BTS_Tests_LAPDm.ttcn:951 : Missing LAPDm_RR RSP" BTS_Tests_LAPDm.ttcn:1488 BTS_Tests_LAPDm control part BTS_Tests_LAPDm.ttcn:961 TC_rec_invalid_frame testcase