Therefore I tried to register Twinkle softphone behind NAT. As SIP
registrar - publicIP:port was configured. When the "SIP account ->
domain" was set to publicIP:port - phone didn't register as well (401).
If i set only publicIP - phone registered, but can't make any outbound
call, because publicIP:5060 is not the real public port.
Later I changed the public port to 5060, and Twinkle registered
correctly. But i would prefer to have it on non-standard port because
of security reasons. Does sipxecs have some security features (ddos
prevention...)?
Is it known to be a working scenario, if public port is not 5060?
Regards,
Peter
Robert Joly wrote:
RE: [sipx-users] remote worker can't register
> On Tue, 2009-08-04 at 23:59 +0200, Peter Selc
wrote:
> > Hi,
> >
> > attached is the sip log from registrar. The extension
> behind NAT was 202.
>
> >From that log file:
>
> "2009-08-04T21:46:53.644866Z":1194:AUTH:ERR:sipx.company.local
> :SipRegistrarServer:B6CB5B90:SipRegistrar:"Unable to get
> credentials for '[email protected]:7070',
> realm='company.local', user='202'"
>
> The problem is that you're trying to register to the identity
> [email protected]:7070 instead of [email protected] (which
> would have other problems given that you're trying to do it
> from the Internet).
>
> It may be possible to configure that public address and port
> as an alias for your system...
>
Unfortunately, you cannot add port information to a domain alias in
sipXconfig as ports are not technically part of the SIP domain. Your
phone is providing a To: header with a URI containing port information
and that is the source of your problem. Strictly speaking, the To:
header generated by your Astraa phone is non-standard as UAs are not
allowed to include port information in To: headers - please refer to
table 1 of RFC 3261 for the details. You may want to check with Astraa
regarding this problem.
|
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