[asterisk-dev] Asterisk 16.9.0-rc1 Now Available - unusable with Deutsche Telekom

[Andreas Wehrmann]

On 08.03.20 21:48, George Joseph wrote:
>
>
> On Fri, Mar 6, 2020 at 10:07 PM Michael Maier <m1278468 at mailbox.org 
> <mailto:m1278468 at mailbox.org>> wrote:
>
>     Hello!
>
>     On 05.03.20 at 19:08 Asterisk Development Team wrote:
>     >  * ASTERISK-28746 - res_pjsip_outbound_registration keeps
>     >       retrying the first entry in a SRV record set
>     >       (Reported by
>     >       George Joseph)
>
>     I just tested the new version 16.9.0.rc1 and promptly got an error
>     with
>     this patch. With Deutsche Telekom, you always get a SRV record set. On
>     the other hand, you mostly have to register 3 numbers - each must be
>     registered on its own - to the same destination. Therefore, on
>     startup,
>     there are 3 registers done to the same destination. Often, one of the
>     three numbers fails to register on the first attempt and therefore, it
>     is done twice.
>
>     With this patch, you're now using the second of usually 3 SRV entries
>     and registration is done successfully (which would have worked too, if
>     you would have used the first entry again, because it's just a very
>     temporary problem) - but all succeeding calls (outgoing INVITEs)
>     are now
>     rejected (403 Forbidden), because they are going to the first entry of
>     the SRV record set - which fails on Deutsche Telekom, because they
>     await
>     all subsequent actions to be done at the same server as the
>     registration
>     was done.
>

Out of interest: What product of theirs do you use? Is it companyflex?
I'm asking because I need to interface with Deutsche Telekom as well.

Best regards,
Andreas

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