msc  tracetst.msc;
caller: instancehead User;
phone1: instancehead DEB;
originating0: instancehead CEB;
ottawa0: instancehead LEB;
0: instancehead CallObject;
montreal0: instancehead LEB;
terminating0: instancehead CEB;
phone2: instancehead DEB;
callee: instancehead User;
caller: out offhook,1 () to phone1;
phone1: in offhook,1 () from caller;
phone1: out dialtoneon,2 () to caller;
caller: in dialtoneon,2 () from phone1;
caller: out dial,3 (termnum ) to phone1;
phone1: in dial,3 (termnum ) from caller;
phone1: out digitreceived,4 () to caller;
caller: in digitreceived,4 () from phone1;
phone1: out connectreq,5 (termnum ) to originating0;
originating0: in connectreq,5 (termnum ) from phone1;
originating0: out connectreq,6 (termnum ) to ottawa0;
ottawa0: in connectreq,6 (termnum ) from originating0;
ottawa0: out connectreq,7 (termnum ) to 0;
0: in connectreq,7 (termnum ) from ottawa0;
0: out connectind,8 (termnum ) to montreal0;
montreal0: in connectind,8 (termnum ) from 0;
montreal0: out connectind,9 () to terminating0;
terminating0: in connectind,9 () from montreal0;
terminating0: out connectind,10 () to phone2;
phone2: in connectind,10 () from terminating0;
phone2: out ringingon,11 () to callee;
callee: in ringingon,11 () from phone2;
phone2: out connectresp,12 () to terminating0;
terminating0: in connectresp,12 () from phone2;
terminating0: out connectresp,13 () to montreal0;
montreal0: in connectresp,13 () from terminating0;
montreal0: out connectresp,14 () to 0;
0: in connectresp,14 () from montreal0;
0: out connectconf,15 () to ottawa0;
ottawa0: in connectconf,15 () from 0;
ottawa0: out connectconf,16 () to originating0;
originating0: in connectconf,16 () from ottawa0;
originating0: out connectconf,17 () to phone1;
phone1: in connectconf,17 () from originating0;
phone1: out ringbackon,18 () to caller;
caller: in ringbackon,18 () from phone1;
callee: out offhook,19 () to phone2;
phone2: in offhook,19 () from callee;
phone2: out answerreq,20 () to terminating0;
terminating0: in answerreq,20 () from phone2;
terminating0: out answerreq,21 () to montreal0;
montreal0: in answerreq,21 () from terminating0;
montreal0: out answerreq,22 () to 0;
0: in answerreq,22 () from montreal0;
0: out answerind,23 () to ottawa0;
ottawa0: in answerind,23 () from 0;
ottawa0: out answerind,24 () to originating0;
originating0: in answerind,24 () from ottawa0;
originating0: out answerind,25 () to phone1;
phone1: in answerind,25 () from originating0;
phone1: out ringbackoff,26 () to caller;
caller: in ringbackoff,26 () from phone1;
callee: out onhook,27 () to phone2;
phone2: in onhook,27 () from callee;
phone2: out disconnectreq,28 () to terminating0;
terminating0: in disconnectreq,28 () from phone2;
terminating0: out disconnectreq,29 () to montreal0;
montreal0: in disconnectreq,29 () from terminating0;
montreal0: out disconnectreq,30 () to 0;
0: in disconnectreq,30 () from montreal0;
0: out disconnectind,31 () to ottawa0;
ottawa0: in disconnectind,31 () from 0;
ottawa0: out disconnectind,32 () to originating0;
originating0: in disconnectind,32 () from ottawa0;
originating0: out disconnectind,33 () to phone1;
phone1: in disconnectind,33 () from originating0;
phone1: out dialtoneon,34 () to caller;
caller: in dialtoneon,34 () from phone1;
caller: out onhook,35 () to phone1;
phone1: in onhook,35 () from caller;
caller:  endinstance;
phone1:  endinstance;
originating0:  endinstance;
ottawa0:  endinstance;
0:  endinstance;
montreal0:  endinstance;
terminating0:  endinstance;
phone2:  endinstance;
callee:  endinstance;
 
endmsc;