[cisco-voip] ISDN call disconnect reason -- how to obtain...

[Nicholas Samios]

AAA/radius logs the cause code in AVPair, so you query historical without enabling q931.

e.g. we stuff it into a SQL db so can query on disconnect causes by count, etc.

Aug 15 10:24:08.758 WST: RADIUS:   Cisco AVpair       [1]   43  "disconnect-text=normal call clearing (16)"
Aug 15 10:24:08.758 WST: RADIUS:  Vendor, Cisco       [26]  31
Aug 15 10:24:08.758 WST: RADIUS:   Cisco AVpair       [1]   25  "peer-address=xxxxxxx"
Aug 15 10:24:08.758 WST: RADIUS:  Vendor, Cisco       [26]  24
Aug 15 10:24:08.758 WST: RADIUS:   Cisco AVpair       [1]   18  "info-type=speech"
<snip>
Aug 15 10:24:08.758 WST: RADIUS:  Acct-Status-Type    [40]  6   Stop                      [2]
Aug 15 10:24:08.758 WST: RADIUS:  NAS-Port-Type       [61]  6   Async                     [0]
Aug 15 10:24:08.758 WST: RADIUS:  NAS-Port            [5]   6   0
Aug 15 10:24:08.758 WST: RADIUS:  NAS-Port-Id         [87]  14  "ISDN 7/6:D:5"


From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Tim Reimers
Sent: Monday, August 15, 2011 4:28 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] ISDN call disconnect reason -- how to obtain...

Hi all -

Question about logging ISDN call disconnect reasons -


I know that you can see the call disconnect reason in ISDN Q.931
http://www.cisco.com/en/US/tech/tk801/tk379/technologies_tech_note09186a008012e95f.shtml

Does anyone know if there's an IOS that supports using SNMP traps or something to obtain the disconnect info and log it?

I'm tracking down a random abandoned call issue in IPCC, and I want to rule out any bad channels on the associated PRI.
But I don't want to run in ISDN q.931 debug mode for days on end logging all of that just so I can see what all the reported disconnect reasons are.

thanks, Tim
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