[asterisk-users] Grandstream GXP2000 Loses Connectivity

[Andrew Joakimsen]

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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