Some Cisco ISDN/VoIP debug commands

Some Cisco ISDN/VoIP debug commands







#L1 fizinis sujungimas
show controllers E1        - Check E1 physical connection is it active ?
debug isdn q921                  - debug E1 controller for possible errors

#L2 - ISDN
debug isdn q931            - debug ISDN call
show isdn active        - show active ISDN calls
show isdn history        - ISDN call history
show isdn service        - E1 channel status (check whether ISDN channels busy)
show isdn status        - show ISDN status

#L3 - VoIP
show voice call            - VoIP cals per E1 with status (cllg - caller nr., clld - calling nr.)

debug ccsip messages
debug ccsip media



Chacking VoIP calls
show call history voice brief | i 70000025
    59E  : 307778 18546534520ms.307239 +3360 +128250 pid:210 Answer 870000025
Note callind ID, in this example it is 59E  use thisfo call detais, see next:
show call history voice brief id 59E
show dialplan number 911 - chech which dialplan (dial-peer) is used to cal number 911