[cisco-voip] Excluding extensions from CDR reporting
Wes Sisk
wsisk at cisco.com
Thu Dec 27 13:32:04 EST 2007
The verbiage provided is vague but i'm going to assume that CDR's for
MWI calls are the crux of the issue. Those have been an issue before
and are certainly numerous enough to skew reporting.
The way CM is implemented Voicemail and the associated MWI transactions
are calls. You can set CM service parameter "CDR log calls with zero
duration" to false so that CM does not record CDR for MWI. However, you
risk losing CDR for other critical calls such as misdials/hangups to 911
where the caller hangs up before 911 service answers. Most 911
districts consider these prank calls with a quota and begin charging.
Otherwise, no, there is no way to filter these calls from CDR. The
system dumps out CDR's of all calls. Parsing, filtering, and
correlating are the job of the "Call Accounting and Reporting" package.
Just as Cisco generates the CDR flat files, RSI has to parse and import
every CDR flat file. They have equal opportunity to filter these
requests. As a bonus, RSI can do it without contending for
CPU/Memory/DiskIO that would otherwise be used for processing your
actual calls. It's a rather classic example of production vs. reporting.
/Wes
Hames, Joel wrote:
> We have a new CCM5.1 installation, so I may ask a few basic questions as
> we work through our first deployment. At the moment, we have
> implemented RSI's Call Accounting system and have noticed that our
> voicemail extension skews all of our reports significantly. RSI claims
> that this is a Cisco configuration issue and that calls to that
> extension should not be passed to the call accounting system. Our
> installer claims that there is no way to filter out reporting to certain
> extensions.
>
> Does anyone have experience with this? While we can certainly ignore the
> reports of calls inbound and outbound to that extension, I'd like to
> clean this up as much as possible. The graphs of call lengths and call
> costs would be much more meaningful without extraneous information like
> this.
>
> Thank you,
>
> Joel Hames
> Senior Director, Information Technology
> Tamalpais Union High School District
> jhames at tamdistrict.org
>
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