[SR-Users] sip invite proxy-authorization

[David Villasmil]

Again, are you calling a local registeted user?

On Fri, Jan 19, 2018, 17:28 Dave & Hazel <dogbark at indigo.ie> wrote:

> Cheers Alex for your insight.
>
> My problem still remains in that my invites are not being challenged even
> though AUTH is defined.
>
> On 19 Jan 2018, at 15:57, Alex Balashov <abalashov at evaristesys.com> wrote:
>
> Hi,
>
> > On Fri, Jan 19, 2018 at 03:38:24PM -0000, Dave & Hazel wrote:
> >
> > preforming a SIP INVITE without first registering with the Kamailio
> > service (SJ-Phone speak). I am dialling in remotely via NAT and my
> > call is being relayed successfully.
>
> Although many people are led to believe that there is some intrinsic
> connection between registration and outbound calling by the way phone
> UIs present these concepts, there is in fact no such connection
> whatsoever.
>
> Registration is an inbound concept, not an outbound concept. You can
> make calls without being registered. You can make outbound calls using
> different AAA mechanisms. Being registered in no way implies being able
> to make outbound calls. They're just completely unrelated.
>
> There is a common authentication mechanism used in both scenarios:
> digest challenge authentication. As a practical matter, Kamailio sends a
> 407 proxy challenge for requests it is meant to relay (e.g. INVITEs) and
> a 401 Unauthorized challenge for requests of which it is the logical
> destination (e.g. REGISTER), and both draw on the same set of
> authentication credentials and otherwise work the same way. The AUTH
> route covers both of these cases.
>
> -- Alex
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
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