[cisco-voip] Find specific PRI channel used by a call

Chris Lee chris at variphy.com
Fri Nov 9 16:29:59 EST 2012


Hi Jeff,

I thought for 'UCM-aware' Gateway types (e.g. PRI, MGCP) the CDR does
include and show the channel/span number as either the Originating Span or
Terminating Span value.

Regards,

Chris

Chris Lee
Variphy, Inc.
Austin, Texas  USA
Google Voice: +1-409-2SOLAR9 [409-276-5279] (office)(US Central: GMT-6)


On Fri, Nov 9, 2012 at 11:27 AM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

>
> i think it's much easier if you're running h323, but i'm running MGCP.
> here's what i've figured out so far, with some help from the list.
>
>    - grab a "show voip rtp connections detail"
>    - grab a "show voice call status"
>    - from the rtp output, find the call you're looking for based on the
>    IP address of the person with the issue.
>    - grab the dstCallId from that call, convert to hex
>    - find the hex call id in the voice call output
>
> it would be one heck of a coincidence that the callid numbers are the same
> but mean different things. and i would be unhappy.
>
>
>
> ------------------------------
> vgw-annu-a#show voip rtp connections detail
> VoIP RTP active connections :
> No. CallId     dstCallId  LocalRTP RmtRTP
> LocalIP                                RemoteIP
> 1     320480     320479     21848    23226
> 10.104.13.203                          10.104.165.28
>  callId 320480 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320479: called= calling= redirect=
>    1 context 13CD06C0 xmitFunc 8381200
> 2     320644     320643     19402    21102
> 10.104.13.203                          10.104.148.250
>  callId 320644 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320643: called= calling= redirect=
>    1 context 2108D28 xmitFunc 8381200
> 3     320646     320645     27818    17814
> 10.104.13.203                          10.104.13.201
>  callId 320646 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320645: called= calling= redirect=
>    1 context 426B7CA0 xmitFunc 8381200
> 4     320652     320651     19400    18924
> 10.104.13.203                          10.104.149.119
>  callId 320652 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320651: called= calling= redirect=
>    1 context 13E5E824 xmitFunc 8381200
> 5     320656     320655     29128    27008
> 10.104.13.203                          10.104.87.40
>  callId 320656 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320655: called= calling= redirect=
>    1 context 426D39E4 xmitFunc 8381200
> 6     320660     320659     19196    17758
> 10.104.13.203                          10.104.13.201
>  callId 320660 (dir=2): called= calling= redirect= loopback=NO
>      dest callId 320659: called= calling= redirect=
>    1 context 13CBEC9C xmitFunc 8381200
> Found 6 active RTP connections
> ------------------------------
> vgw-annu-a#show voice call status
> CallID     CID  ccVdb      Port        Slot/DSP:Ch  Called #   Codec
> MLPP Dial-peers
> 0x4E3DF    1AE  0x422E9FEC 0/0/0:23.4       0/1:17 *           g711ulaw 0/0
> 0x4E483    200  0x422E9FEC 0/0/0:23.5       0/1:3  *           g711ulaw 0/0
> 0x4E485    201  0x0202F1B8 0/0/3:23.1       0/1:7  *           g711ulaw 0/0
> 0x4E48B    204  0x422E9FEC 0/0/0:23.1       0/1:2  *           g711ulaw 0/0
> 0x4E48F    206  0x422E9FEC 0/0/0:23.6       0/1:5  *           g711ulaw 0/0
> 0x4E493    208  0x0202F1B8 0/0/3:23.2       0/1:6  *           g711ulaw 0/0
> 0x4E497    20A  0x422E9FEC 0/0/0:23.2       0/1:1  *           g711ulaw 0/0
> 7 active calls found
> ------------------------------
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (ANNU)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
>                               - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------
> *From: *"Jeff B. Orr" <JOrr at parknationalbank.com>
> *To: *cisco-voip at puck.nether.net
> *Sent: *Friday, November 9, 2012 11:31:54 AM
> *Subject: *[cisco-voip] Find specific PRI channel used by a call
>
>
>  Does anyone know how to show the specific PRI channel being used by a
> call? This is a Call Manager 8.5 environment with a 2900 router running (4)
> PRIs.
>
>
>
> I am trying to track down an issue that appears to be related to one
> specific B-channel and need to busyout it.
>
>
>
> Thanks!
>
> Jeff
>
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