[cisco-voip] debug isdn q931

[wael ahmed el mezain]

yes, "debug MGCP packet" plus "sh mgcp connection" during the call if you can make a call and "sh call .... " & "sh voice ..." commands

and may "debug call treatment action" help also


-----------------------------------------------
> Date: Thu, 15 Jun 2006 14:21:44 -0400
> From: ealeatherman at gmail.com
> To: rratliff at cisco.com
> CC: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] debug isdn q931
> 
> debug MGCP packet appears to work fine.
> On 6/15/06, Ryan Ratliff <rratliff at cisco.com> wrote:
> nfas is the protocol that lets you bind multiple PRIs to the same D-
> chan.  Definitely not supported with MGCP though.
> How about if you turn on 'deb mgcp packet' along with your q931 debug?
> -Ryan
> On Jun 15, 2006, at 2:02 PM, Ed Leatherman wrote:
> They are definately both PRI
> Isnt there some configuration that allows multiple PRI's to share a D-
> channel? I specifically told the telco we didnt want this, and i'd be
> surprised if it would work without any extra configuration on my
> side, but thats the only other thing I could think of.
> #sh isdn status
> Global ISDN Switchtype = primary-4ess
> %Q.931 is backhauled to CCM MANAGER 0x0003 on DSL 1. Layer 3 output
> may not apply
> ISDN Serial0/0/0:23 interface
>          dsl 1, interface ISDN Switchtype = primary-ni
>          L2 Protocol = Q.921 0x0000  L3 Protocol(s) = CCM MANAGER 0x0003
>      Layer 1 Status:
>          ACTIVE
>      Layer 2 Status:
>          TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
>      Layer 3 Status:
>          0 Active Layer 3 Call(s)
>      Active dsl 1 CCBs = 0
>      The Free Channel Mask:  0x807FFFFF
>      Number of L2 Discards = 0, L2 Session ID = 203
>      Total Allocated ISDN CCBs = 0
> On 6/15/06, Ryan Ratliff <rratliff at cisco.com> wrote: Are both of them
> PRIs for sure?  Perhaps the one not showing q931
> debugs is actually a channel-group (CAS) and not a PRI?
> -Ryan
> On Jun 15, 2006, at 11:37 AM, Ed Leatherman wrote:
> Just had the defaults on both routers, however I tried the "logging
> console 7" on the problem router, which looks like it should display
> debuging messages and it still shows nothing.
> Just for grins and giggles I turned on debug cdp packets, and i am
> getting debug messages on both routers.. so its something with the
> ISDN that is causing it to not display.
> On 6/15/06, Mark Borchers <mborchers at igillc.com> wrote:
> Have you set your logging level high enough to show debug traffic?
> See the logging console command args.
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net [mailto: cisco-voip-
> bounces at puck.nether.net ] On Behalf Of Ed Leatherman
> Sent: Thursday, June 15, 2006 10:26 AM
> To: ciscovoip
> Cc: jeff.davis at mail.wvu.edu
> Subject: [cisco-voip] debug isdn q931
> I'm fairly certain this is something I am doing wrong but I cant find
> it for the life of me..
> I have 2 ISR routers, 3825 with some T1 interfaces and DSPs for
> conferencing. identical firmware loads and configurations, other than
> 1 has an FXO card that the other doesn't.
> I'm executing on both routers from seperate SSH sessions:
> # term mon
> # debug isdn q931
> On router A, I can see all the Q931 debug messages go by. On router
> B, I see nothing on the SSH session however I know calls are being
> placed on it ( I can see the channels going in service etc from
> RTMT). Could I have something turned off on router B that doesnt show
> up in the config?
> --
> Ed Leatherman
> IP Telephony Coordinator
> West Virginia University
> Telecommunications and Network Operations
> --
> Ed Leatherman
> IP Telephony Coordinator
> West Virginia University
> Telecommunications and Network Operations
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
> --
> Ed Leatherman
> IP Telephony Coordinator
> West Virginia University
> Telecommunications and Network Operations
> --
> Ed Leatherman
> IP Telephony Coordinator
> West Virginia University
> Telecommunications and Network Operations

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