[cisco-voip] CCM/SCCP trace question

[Ryan Ratliff]

If the agent claims the call was dropped I'd ask what led them to believe
this was the case.  The call would not have disappeared from the phone since
the CUCM only tore down the call in response to the user hanging up the
phone.  Did the user hear something, or not hear something (ie one-way
audio) that led them to believe the call was dropped?
 

-Ryan 

 

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From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ed Leatherman
Sent: Tuesday, October 14, 2008 1:44 PM
To: Wes Sisk
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] CCM/SCCP trace question


Thanks Wes, I was loading it into TranslatorX and just happened to run into
that correlation tag after the call ended.. was flagged in the tool as an
error but that makes sense why.

Attached is the trace entries starting with the StationMediaPathEvt, which
was the first entry i found after the media transmission started. CDR
indicates that the destination ended the call with normal call clearing, so
I haven't looked at the calling side (MGCP) yet. Destination was this IP
phone with handle 99933. It's a contact center phone but the agent was on
his personal (non-ACD) line.

It appears he just hung up the phone from the SCCP messages.


On Tue, Oct 14, 2008 at 1:10 PM, Wes Sisk <wsisk at cisco.com> wrote:


Hi Ed,

StationMediaPathEvent abstractly means the phone changed the state of one of
the media channels.  Options are mediapathon/off.  This really only means
the phone started/stopped streaming audio.

The "err" you see only means that line is issued at trace level "error".
The part you provided is just the "correlation tags".  The intersting part
of the line occurs between the timestamp and the "|<CLID::...".  A trace
level being at error level is rather insignificant.  Please share a few more
lines of trace.

/wes 


On 10/14/2008 12:53 PM, Ed Leatherman wrote: 

Any callmanager (5.1) trace gurus out there know what this message means?

10/13/2008 15:38:26.105 CCM|StationInit: (0099933) StationMediaPathEvt.

Tracing out a dropped call for our helpdesk, the message is happening right
before an OnHook event is sent from the same phone. agent claims the call
was dropped. I've been having them complain about dropped calls lately, most
turn out to be hangups from the PSTN at least according to the PRI messages,
but this one was hung by the IP Phone.

A little further down I get this message which looks like an error:
|<CLID::OWP-PUB-Cluster><NID::10.192.2.13><CT::3,100,61,1.377029211><IP::10.
182.63.185><DEV::SEP001BD40C1846><LVL::Error><MASK::0020>


-- 
Ed Leatherman
Assistant Director, Voice Services
West Virginia University
Telecommunications and Network Operations



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-- 
Ed Leatherman
Assistant Director, Voice Services
West Virginia University
Telecommunications and Network Operations

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