[asterisk-dev] pjsip - retry handling - faulty warning message?

[Joshua C. Colp]

On Sat, Aug 15, 2020 at 12:25 PM Michael Maier <m1278468 at mailbox.org> wrote:

> Hello!
>
> I got the following warning in the asterisk log:
>
> [2020-08-15 16:16:03] WARNING[14367] res_pjsip_outbound_registration.c: No
> response received from 'sip:tel.t-online.de' on registration attempt to '
> sip:+49... at tel.t-online.de', retrying in '60'
>
>
> What really happened (according pcap trace):
>
> Register                        Aug 15, 2020 16:16:03.946677000 CEST
> Register                        Aug 15, 2020 16:16:03.973710000 CEST    ~
> 27 ms (Retry)
> Security agreement required     Aug 15, 2020 16:16:04.066745000 CEST    ~
> 92 ms
> ...
> Ok                              Aug 15, 2020 16:16:04.081487000 CEST    ~
> 14 ms (finish)
>
>
> (Usual duration of a Register is ~ 22.8 ms)
>
> Okay, provider was a bit lazy to answer, but Register has been working
> fine after one retry 27 ms later. Therefore, I don't understand the
> warning, especially because the registration timeout is 660s and asterisk
> starts reregistration 10s before the expiry of the registration - so there
> wasn't any problem with the Registration de facto. Especially as there
> couldn't be seen any Retry after 60 s as stated in the log. Maybe the log
> entry is somewhat hasty?
>

Without debug level and trace information and such it's hard to say. It may
be that the security agreement response wasn't counted for some reason and
confused the code, resulting in the transaction thinking it got no
response.

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-dev/attachments/20200817/4d7cb035/attachment.html>