I think you'll find all sorts of useful variables on this page:

http://wiki.freeswitch.org/wiki/Mod_xml_cdr#Channel_Variables

You can get the answer time as a timestamp, epoch seconds, epoch milliseconds, and epoch microseconds. 

What kind of CDRs are you using - CSV or XML?

-MC

On Wed, Nov 30, 2011 at 4:22 AM, Thomas Hoellriegel <admin@blindi.net> wrote:
Hi all,
Is there a possibility to determine the caller time for a channel at
the end of a call?

For example: in asterisk exists a variable:
${ANSWEREDTIME}
I like to store the Answertime in a Database for example:
Dailly minutes to call a Cellphone.
Can your help plese?
Thanks.


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