[Freeswitch-dev] access session variables after hangup

[Michael Collins]

On Mon, Jul 13, 2009 at 6:39 AM, rentmycoder rentmycoder <
rentmycoder at gmail.com> wrote:

> I don't care about billing, but do care about very detailed realtime
> and historical call logging and routing system.


Are you building something that monitors call status while the calls are
still in progress? If so you really need to be using the event socket.


>
> xml cdr is not an option since it does not handle certain logging
> scenarios like call transfers, multy party call conversions, custom
> call events like recording started or stopped, etc. and it does not
> handle realtime call routing at all.


The XML CDRs have loads of information, including detailed call flow.
Documentation is here:
http://wiki.freeswitch.org/wiki/Mod_xml_cdr#Reference_Information

Of course, like Brian said, the CDR always happens after the call is
finished, which is why I was curious about the specifics of your
application. You mentioned "very detailed realtime" but I'm not sure if that
means "while the call is happening" or "immediately after the call
completes."


>
> We try to port our IBM Genesys like PBX and Call Center solution from
> asterisk to freeswitch, but for this I would need hangup detection.
> Actually I'm just in the learning phase in the migration process and
> try to use the fastest ways for the initial testing, that's why I try
> to use lua.
> Sorry for this long story :)


No prob. Details help paint the picture. :)


>
> Should this hangup detection work, I mean am I doing something wrong,
> or this feature is not implemented yet?
> If not, what language and method do you suggest to implement robust
> call routing and history?


I recommend you parse a sample XML CDR. If it contains all the information
you need then you can use mod_xml_cdr and post-process the calls as soon as
they complete. If the XML CDR doesn't contain all the information you need
then we'd like to know what it is missing - the devs would be willing to add
anything that's missing, assuming it makes sense to do so.

If you want absolute, unconditional access to every piece of information for
every call as it happens in real-time, live and unedited, then you
definitely need to build something that uses the event socket. I'm not sure
there's much ROI in this method unless you have a special need to update a
database while calls are in progress.

Personally, I like mod_xml_cdr because it will post to a web server and
create a disk file - a good way to keep your valuable call information safe
in case of a web server or db server outage.

-MC
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