anchor.diff:  %% - nothing happens in 32 seconds
   %% - transaction terminates due to the timeout
   client_invite_timeout_calling(Transport)->
  -    register(?MODULE, self()),
  +    register(?REGNAME, self()),
   
       Remote = sip_test:endpoint(Transport),
       Request = sip_test:invite(Transport),
  
positive.code:             ok % we have lots of message retransmissions in message queue
      end,
  
      unregister(?MODULE),
      ok.
  
  %% Scenario tested:
  
negative.code:                  sip_transaction:handle(undefined, Remote, Provisional)),
  
      ?assertReceive("Expect provisional response to be passed to TU",
                     {tx, TxRef, {response, Provisional}}),
  
      timer:sleep(32000),
  
  