[SR-Users] Time elapsed since previous message.

[Alex Balashov]

Hi,

You can store the timestamp of the last message of interest in a transaction-persistent variable - that is, an AVP or XAVP - using $TV():

https://www.kamailio.org/wiki/cookbooks/5.4.x/pseudovariables#tv_name

Then, you can do some arithmetic like this to turn the difference between two timestamps into milliseconds. This is stolen straight from CSRP so adapt to your needs. :-)

	# Log request processing time.

	$var(cur_time) = $TV(Sn);

	$var(proc_diff) = (
		(((
		  $(var(cur_time){s.select,0,.}{s.int}) - 
		  $(avp(proc_start){s.select,0,.}{s.int})
		) * 1000000)
		+ 
		(
		 $(var(cur_time){s.select,1,.}{s.int}) - 
		 $(avp(proc_start){s.select,1,.}{s.int}) 
		) / 1000) mod 1000
	);

— Alex

—
Sent from my iPad

> On Feb 9, 2021, at 9:40 AM, David Villasmil <david.villasmil.work at gmail.com> wrote:
> 
> Hello all,
> 
> Is it possible to know the elapsed time since the previously received message?
> 
> On outgoing calls, I.e: when i get a 180, how long did the 100 arrived? Or the INVITE...
> 
> Thanks
> 
> David 
> -- 
> Regards,
> 
> David Villasmil
> email: david.villasmil.work at gmail.com
> phone: +34669448337
> _______________________________________________
> Kamailio (SER) - Users Mailing List
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