Hi Miha,
It looks like the UAC is doing a retransmission of the INVITE with
credentials - do you have enabled the nonce checking for re-usage (see
http://www.opensips.org/html/docs/modules/1.11.x/auth.html#id293610) ?
If is active, the first INVITE with be accepted by auth and pushed for
further routing; while the re-transmission will die in auth (as the
nonce was already used) and a challenge will be sent back. Basically the
initial INVITE and the re-transmission are differently handled, which is
not right.
What to do ? either disable the nonce checking (as both INVITEs will
succeed in auth) or do re-transmission checking before auth code (use
t_newtran() for that).
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 23.05.2014 10:46, Miha wrote:
Hi,
I am noticing strange thing. On one of our UAC's we are experiancing
strange behaviour.
UAC -> INVITE->OPENSIPS
OPENSIPS->Proxy_Autehentication->UAC
UAC->ACK->Opensips
UAC->INVITE(with credentials)->OPENSIPS
UAC->INVITE(with credentials)->OPENSIPS
OPENSIPS->Proxy_Autehentication->UAC
..
.
.
.
Why is sending Opensips again Proxy_autehntication? After second time
call is accepted but then UAC behaves strange.
Here is sip trace: http://pastebin.com/zigbJTRd
tnx!
br
miha
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