[asterisk-users] Grandstream GXP2000 Loses Connectivity

[Andrew Joakimsen]

I want to make sure that 192.168.1.10 is the IP of the asterisk machine.

Anyways without looking at the phone's config I'd recommend you switch
to a newer Asterisk 1.2.x release at the very minimum (I suppose it
would be a "best practice" to recommend 1.4, however) all you will
need is a very few minor tweaks to your configfiles. All the SIP peers
can remain unmolested. I have not had issues with that and recent
GXP-2000 firmwares. But maybe if you post the configuration file of
the phone there might be some settings to affect this. I find it odd
the phones do not attempt re-registrations after it fails.

On Feb 11, 2008 8:07 PM, Peder @ NetworkOblivion
<peder at networkoblivion.com> wrote:
> I did post most of that.  Point to point T1, no firewalls and no nat,
> cisco routers, bandwidth is monitored at 30 second intervals and never
> exceeds 50%, almost always 25% or less.  The key is that I get messages
> from * like "failed to register" and it is from the IP of the phone, so
> it is like the phone is sending some messed up message.  Asterisk is
> old, 1.0.3, but it has been stable for 2-3 years with zero issues.
> While it could be a asterisk version issue, I have 100-150 phones on it,
> mostly Cisco 7940/7960 and none of them have these issues.  The only
> phones with issues appear to be Grandstream and they are all running
> 1.1.5.15.  Here is a sample sip config:
>
> [7834-1]
> context=HASKI-LD
> type=friend
> callerid="HASKI" <7834>
> username=7834-1
> secret=47834-1
> host=dynamic
> mailbox=7834 at HASKI-VM
> canreinvite=no
> qualify=yes
>
> Here is one of the log messages:
>
> Feb 11 18:18:05 NOTICE[20905]: Registration from
> '<sip:7834-1 at 192.168.1.10>' failed for '192.168.2.165'
>
> That message is from a phone that is set to register every 5 minutes.
> It's been 50 minutes and it still hasn't re-registered.  If I reboot the
> phone, it will register right away...
>
> Any ideas?
>
>
> Peder
>
>
>
> Andrew Joakimsen wrote:
> > Yes but network issues are still possible. What sort of network
> > connections are you using?  What sort of routers/firewalls/other
> > network gear? Are you certain of the reliability of the T1? Also you
> > did not post what Asterisk version is in use. Please also post the
> > relevant sip.conf and configuration file of the phone.
> >
> >
> > On Feb 11, 2008 4:52 PM, Peder @ NetworkOblivion
> > <peder at networkoblivion.com> wrote:
> >> I have 20-30 GXP2000's connected to * over a T1 line.  Neither end is
> >> NAT'd and there is plenty of bandwidth available over the line.  The
> >> GXP's are 1.1.5.15, which is the latest.  I have a problem where the
> >> phones keep dropping off of * and I get a "failed to register" message
> >> in the log of *.  Sometimes they eventually connect and sometimes, I
> >> have to reboot them to get them to reconnect (I never change the config
> >> though).  Has anybody seen this?  I've tried lowering the Register
> >> Expiration and that seems to make it worse.  If I lower it to 1 minute
> >> or 5 minutes, I lose them every 10-15 minutes.  If I put it at 10
> >> minutes, it loses connectivity once or twice a day.  I tried Grandstream
> >> support and their answer was completely useless.  Has anybody seen this?
> >>   Or does anybody have any ideas?  Again, no NAT involved, so don't say
> >> STUN or NAT issue.
> >>
> >> Peder
> >>
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