In the
System Monitor window, look for trace codes similar to the following:
22984658mS ISDNL3Rx: v=5 peb=5
ISDN Layer3 Pcol=08(Q931) Reflen=2 ref=272F(Remote)
Message Type = Setup
InformationElement = BearerCapability
0000 04 03 80 90 a2 .....
InformationElement = CHI
0000 18 03 a1 83 95 .....
InformationElement = CallingPartyNumber
0000 6c 0c 21 83 36 31 38 37 30 39 33 39 39 31 l.!.6187093991
InformationElement = CalledPartyNumber
0000 70 08 c1 36 34 36 37 31 33 31 p..6467131
InformationElement = HigherLayerCompat
0000 7d 02 91 81 }...