it should be possible to use http_async in a stateless scenario setting
$http_req(suspend) to 0
Have you tried this?
On Tue, Jan 10, 2023 at 7:25 PM Julius Flohr <flohr(a)sipgate.de> wrote:
Thanks for your reply. The issue is that we have several load balancers
behind an anycast setup and it’s not guaranteed that every packet belonging
to a transaction is indeed processed by the same server.
On 10. Jan 2023, at 17:29, Henning Westerholt <hw(a)gilawa.com> wrote:
If you are already using http_async_reply and therefore processing the
request stateful, I personally would just stay stateful.
What is your motivation about trying to avoid it?
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com
*From:* Julius Flohr <flohr(a)sipgate.de>
*Sent:* Tuesday, January 10, 2023 4:47 PM
*Cc:* Alles wird besser <alleswirdbesser(a)sipgate.de>
*Subject:* [SR-Users] Performing async_http calls on stateless
we are running several stateless SIP Loadbalancers using Kamaillio 5.1 and
Now we would like to perform an async_http request if an INVITE matches
certain criteria. The request itself is performed very similar to how it's
described here 
This uses the transaction module in order to assure that the response can
be mapped to the original request. However, this also means that the
processing of the entire request becomes stateful which we would like to
We tried to use t_release() in the callback route (in  this route is
called "RELAY_API_RESPONSE"). However, documentation says that this is only
allowed in the REQUEST_ROUTE.
Is there an easy way to circumnavigate this issue?
Julius Flohr - Voice Engineer - flohr(a)sipgate.de
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