it is not fixed yet.

On Thu, Jan 12, 2012 at 10:01 AM, Michael Scheidell
<[email protected]> wrote:
>
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> Organization: SipXecs Forum
> X-FUDforum: 08063afcdd00a6e76393c5b9527381e8 <65404>
> Message-ID: <[email protected]>
>
>
>
> A while back, a change was made to sipx 4.4 to allow sipx to
> listen for inbound ITSP trunks who expect to send to udp
> port 5060 (instead of the sipx default of 5080)
>
> MANY, MANY TIER1 sip trunk providers insist on this.
>
> YES, we can trick many firewalls into doing PAT (port
> address translation), and in fact, that is what I am
> currently doing on sipx 4.2.
>
> But, in sipx 4.4, when this fix was put in and tested, it
> only worked if you were NOT natted.
>
> (someone want to prove me wrong:
>
> get a voip.ms account.  set it for ip based authentication,
> no user/password registration.
>
> Tey to make it work (as in inbound calls, be able to
> transfer back out, moh working, correct called id in
> forwarded calls)
>
> you will see that voip.ms sends the invite to port 5060.
> Which will sorta work, but sipx sees this as an 'anonymous'
> call..
>
> something like: sip://[email protected]
>
> Which limits what can be done with the call.
>
> So, has sipx 4.5 fixed this?  or would I still need an
> sbc/and or use port natting on my firewall?
>
>
> --
> --
> Michael Scheidell, CTO
> SECNAP Network Security Corp
> _______________________________________________
> sipx-users mailing list
> [email protected]
> List Archive: http://list.sipfoundry.org/archive/sipx-users/



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