[sr-dev] routing time of sip request

[Jan Janak]

On Sat, Oct 24, 2009 at 8:29 AM, Juha Heinanen <jh at tutpro.com> wrote:
> eu is asking operators to provide all kinds of statistics about their
> telephone service.
>
> one of the attributes is routing time of sip request, i.e., in/out delay
> of sip requests.
>
> in order to be able to do something like that, we could have a pseudo
> variable that provides ms timestamp value or, perhaps better, a way to
> zero a ms counter and then store its current value to a pseudo variable
> in onsend_route.  the problems seems to be that according to core
> cookbook, it is not possible to set pseudo variables in onsend_route.
>
> comments?

Wouldn't it be possible to store the timestamp of request arrival in
an AVP at the beginning of request processing and then calculate the
difference from the current timestamp in on-send route?

Also, where do you want to store the resulting delay value, in the SIP
request itself?

   -- Jan