No. As long as the phone is able to lookup the domain and resolve the host
records via SRV it should not matter. The phones (unless manually altered)
will subscribe using the user @ domain and not user @ hostname.domain).

>From the CLI (ssh or console) type in "top" and look at the memory usage
and report back if any swap is in use. If not, consider restarting the
sipXivr process to see if it clears it up. If you do have swap in use
(any), consider a maintenance reboot as it is indicative there may not be
enough RAM installed in the machine to keep this kind of thing from
happening.

In my experience, there are 5 things that can potentially break MWI on a
working system:

1. RAM
2. DNS
3. Moving phones with MWI on from another installation to a new system
(these MWI troubles would be related to these devices and not an overall
system MWI)
4. Phones not being sent the proper information in their config (DNS
related), where someone had the subscribe uri change to the hostname
instead of sipdomain which sipxconfig puts in manually
5. Expire certificates on sipx.

There may be others, but RAM and DNS are the most likely culprits. If
someone changed the DNS the phones get via DHCP then yes, that could break
it easily.

You could provide more information, perhaps a log.


On Tue, Dec 11, 2012 at 11:10 PM, Tommy Laino <[email protected]> wrote:

>
>
> Tony I am not sure what top is. I do not believe that we are
> using swap at all. Todd I would think that maybe you culd be
> right but this is all the phones and it was ll of a sudden.
> I did notice that somehow my FQDN ended up in the Domain
> Alias section not sure why it was in there or what I was
> doing that I thought it was a good idea to put it in there.
> But I removed it and resent all the profles. Do you think
> that could have been part of the problem?
> --
> Tommy Laino
> Dome Technologies
> _______________________________________________
> sipx-users mailing list
> [email protected]
> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>



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