[asterisk-users] 401 Unauthorized when originating SIP user exists on remote server

[Joshua C. Colp]

On Sat, Aug 29, 2020 at 5:39 PM Markus <universe at truemetal.org> wrote:

<snip>


> Shouldn't Asterisk check first for IP-based authentication and ignore
> the From: part? In my case, use only the "incoming-server" peer.
>
> Let's imagine remote-server would receive SIP calls which originate from
> the PSTN... and the originating caller somewhere in the world uses
> "3333" as username/CLI so that it makes it into the "From: sip:....@"
> part. That call would also get rejected with 401 Unauthorized if I'm not
> mistaken?
>
> Is there a switch I'm missing?
>

chan_sip has a fixed matching order where From based occurs first, there's
no option to change that. The chan_pjsip module made this ordering
configurable.

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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