cisco#debug isdn q931
debug isdn q931 is              ON.
cisco#
0d17179869184h: ISDN Se3/0:23 Q931: Applying typeplan for sw-type 0xD is 0x2 0x1, Calling num 905xxxxxxx
4d15h: ISDN Se3/0:23 Q931: Applying typeplan for sw-type 0xD is 0x2 0x1, Called num 905xxxxxxx
4d15h: ISDN Se3/0:23 Q931: TX -> SETUP pd = 8  callref = 0x0688 
        Bearer Capability i = 0x8090A2 
                Standard = CCITT 
                Transer Capability = Speech  
                Transfer Mode = Circuit 
                Transfer Rate = 64 kbit/s 
        Channel ID i = 0xA98397 
                Exclusive, Channel 23 
        Facility i = 0x9F8B0100A11102017D020100800950657465722050616E 
                Protocol Profile =  Networking Extensions 
                0xA11102017D020100800950657465722050616E 
                Component = Invoke component 
                        Invoke Id = 125 
                        Operation = CallingName 
                                Name presentation allowed
                                Name = Peter Pan 
        Calling Party Number i = 0x2180, '905xxxxxxx' 
                Plan:ISDN, Type:National 
        Called Party Number i = 0xA1, '905xxxxxxx' 
                Plan:ISDN, Type:National
4d15h: ISDN Se3/0:23 Q931: RX <- CALL_PROC pd = 8  callref = 0x8688 
        Channel ID i = 0xA98397 
                Exclusive, Channel 23
4d15h: ISDN Se3/0:23 Q931: RX <- ALERTING pd = 8  callref = 0x8688 
        Progress Ind i = 0x8488 - In-band info or appropriate now available 
4d15h: ISDN Se3/0:23 Q931: TX -> DISCONNECT pd = 8  callref = 0x0688 
        Cause i = 0x8090 - Normal call clearing
4d15h: ISDN Se3/0:23 Q931: RX <- RELEASE pd = 8  callref = 0x8688
4d15h: ISDN Se3/0:23 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x0688