Regression

Asterisk_Tests_ipv6.TC_ims_call_mt (from Titan)

Failing for the past 1 build (Since #341 )

Took 2.5 sec.

Stacktrace

SIP Response for unknown call "D6CD9F0931E4A35"
      Asterisk_Tests.ttcn:1280 Asterisk_Tests control part
      Asterisk_Tests.ttcn:1114 TC_ims_call_mt testcase