Q-SIG support name delivery is ok,event support number too,this's in E1 trunk.The connection not mitel to mitel, the connection between mitel any device (Cisco router).
I've applied your suggest about"EDT TRACE TSP L2L3...but it's said "not support".
As far as I know both in the"digital link descriptor and circuit descriptor number,that there's no words q-sig should I choice.
I'll be grateful if anyone can solve this problem.