Tony wrote:
>Cc: Sipx-dev list
>Subject: Re: [sipX-dev] CDR Status Codes Question
>
>
> Tony wrote:
>
> >Subject: [sipX-dev] CDR Status Codes Question
>
> For the case of abandoned calls, there is no change in
>4.2 planned to
> how these calls are tagged (i.e. Failed). It is
>certainly a change that
> I'd like to see and will investigate it further to see
>if we can easily
> distinguish an Abandoned calls version an actual failed called.
> The scenario where you describe calls that go to
>voicemail are showing
> as a failure, I've not seen before. They certainly
>should not be and
> should be shown as Completed with an appropriate call
>length. Could you
> open an issue on this please and indicate which
>voicemail system (i.e.
> the internal or MS Exchange ...)
>
>
>
>Thanks, I will work on a couple of samples this week and open
>this. What logging levels apart from the defaults are needed?
>I will ceate snapshot of the failed scenarios (or just logs)
>once I know what logging levels to inlcude (siptrace, snapshot
>or just logs, etc.).
>
Turn on debugging for the Proxy and for CDR and after the failed
scenarios, take a snapshot and include CDR records as well as logs.
.......
> In release 4.2 a number of new pieces of data have been
>added to the CDR
> record to:
>
> 1. Indicate who actually answered the call (based on contact
> information - not yet used in displaying the record)
> 2. Indicate if a call was transferred (i.e. like in
>the case of going
> to voicemail).
> 3. Link calls logically together. This information is
>available in the
> record but not yet used in displaying the record)
>
> The new data fields are intended primarily for use of
>3rd party CDR
> applications but will hopefully in the future also be
>used in Config
> when displaying the historical records.
>
> Raymond
>
>I read through the CDR issues slated/assigned for 4.2 and
>didn't see one that showed calls linked together, but realize
>sometimes that separate items link to another. Wish they would
>show what gateway was used! Maybe another version down the road.
>
The calls can be linked by using a new field called "reference". It may
contain 0 or more comma separated "linked" callids along with the
relationship in the form of <callid>;rel=<relationship>.
Possible relationships that we use in 4.2 are: xfer, refer and chain.
The meaning of these relationships are described in the Internet Draft
for "The References Header for SIP"
http://tools.ietf.org/html/draft-worley-references-04 .
Please note that the linking occurs from the last to first legs of the
call.
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