Tguard timeout Asterisk_Tests.ttcn:1336 Asterisk_Tests control part Asterisk_Tests.ttcn:1172 TC_ims_call_mt_noprecondition testcase SIP Response for unknown call "6FA738789B45570" Asterisk_Tests.ttcn:1337 Asterisk_Tests control part Asterisk_Tests.ttcn:1216 TC_ims_call_mt_no_local_uas_registered testcase Dynamic test case error: None of the branches can be chosen in altstep as_AMI_IMS_register_Auth.