This is precisely due to the proportion of short-duration calls. But I agree 
that it is a very stupid way to approach the problem, particularly when you 
consider where most of the hangups in short duration calls actually come from.

Some of them do you come from the originator, in the case of AMD. 

But many come from the PSTN callee - “oh, great, it’s another one of these 
OpenSIPS dialer people calling about an extended car warranty. *click*”

That would cause the termination switch to have already processed the BYE, 
regardless of whether you delay your response to it.

—
Sent from mobile, with due apologies for brevity and errors.

> On Jun 28, 2021, at 9:23 AM, Jeff Pyle <j...@ugnd.org> wrote:
> 
> 
> Eek.  This sounds like a recipe for future problems with this carrier.  If 
> you really want to try, you could do a sleep() or usleep() on BYE requests in 
> the section of your script that processes sequential requests....the 
> has_totag() and loose_route() part (assuming no topology_hiding).  That's 
> going to occupy the process, though, so you might want to look at doing it 
> async-style if scale is a concern.  If you want to do it only on BYE requests 
> to the carrier rather than on BYE requests in both directions, then you'll 
> have to detect the direction, which is possible but gets more involved.
> 
> I know I'm going to regret asking this, but why does your carrier want you to 
> delay your BYE messages?  
> 
> 
> - Jeff
> 
> 
>> On Sun, Jun 27, 2021 at 5:07 PM Alexander Perkins 
>> <alexanderhenryperk...@gmail.com> wrote:
>> Hi All.  Our carrier has asked us if we can do a 'delayed bye'.  I have no 
>> idea what this means.  The way it was explained to me is -  the b-let is 
>> held for x numbers of seconds after the a leg hangs up.
>> 
>> Does that make sense?  If so, can someone point me in the right direction?
>> 
>> Thank you, 
>> Alex
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