[Asterisk-Users] Sipura 2000 not ringing.

[Andres]

> Mark Messmore, Technical Support, University Telcom Inc. wrote:
> > I was just wondering if anyone has had this situation...or one
> > similar to it.
> >
> > I've got a Sipura SPA 2000.  After hooking it up and configuring it
> > with my * box, it has worked well.  From both lines we are able to
> > dial out at any point in time.  However after a few minutes (5-10
> > usually) the Sipura will stop sending a ringer signal to the phones.
> > We can still dial, * shows that it is ringing those SIP clients, and
> > both lines are still shown as being "registered".  Everything will
> > work fine for the first 5-10 minutes after being "rebooted"...however
> > after that there is silence.  Even if I dial the line from my cell
> > phone and pick up the telephone that I am dialing...there is
> > dial-tone...therefore it seems that the Sipura is just not passing
> > those incoming calls after a short time period.
> >
> > If you have any idea why this is happening I'd sure appreciate
> > hearing your thoughts.  Thanks
> >
>
> I had (and still have) similar problem. Once SPA 2000 registers with *
> it all works well for few minutes. After that all incoming calls are not
> answered by SPA 2000.
> Is that what you mean?
>
> If so, I have temporaraly got SPA 2000 to re-register every 3 minutes.
> This seems to work at the moment.
Are you sure you configured the SPA to send a keep alive message every 15-30
seconds?  Sounds to me like the NAT binding is simply closing up and getting
reopened with the frequent registrations.

> (Sipura tech support known about this problem for about 6-8 weeks now,
> but I am still to hear from them).
>
> Ta
> SJ
>
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