[Asterisk-Users] Asterisk became berserk when Internet connectionis down and can't register to SIP server.

[Andre Normandin]

The same thing happened to me a few days ago..  Truthfully, I thought it was
just me, and a coincidence..  My DSL line went down, and astertisk refused
to work until it came back up...

I couldn't even dial out, nor would it receive calls on my 3 analog (X101P
card) lines!!!!

I don't know about anyone else, but if I decide to offer * to my clients,
and tell them that your internal phones will go down if your internet blips,
I think I'll be thrown out and the door locked behind me..  What's more, I
don't feel that any programming should be needed on my end to have asterisk
just silently mark any connection as unreachable just as it does now to sip
clients when they do not register or respond to a qualify=yes directive..

Linux doesn't hang if it cannot resolve a dns, why should it make * go
crazy?


 - Andre

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Alex
Vishnev
Sent: Friday, April 15, 2005 8:52 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Asterisk became berserk when Internet
connectionis down and can't register to SIP server.


I think there are a couple of things you can do:

1. Switch the provider to get a stable internet connection ;-)

2. convert your lookups to IP addresses instead of domains. However, if you
clients register with address like aaa at blah.com, then dns will be used to
resolve blah.com and then you have a problem. I am not sure if converting to
ip addresses is doable on a large scale.

3. monitor your internet connection with another script. If the connection
fails then automatically edit * config file to remove your registration with
FWD and reload the proper config.

4. configure * with realtime extensions and place peers into mysql db. Then
use option 3 to monitor your internet connection and remove the peer on
failure. This step does not require reloading config.

HTH
Alex

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kong
Sent: Thursday, April 14, 2005 11:06 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Asterisk became berserk when Internet
connection is down and can't register to SIP server.

So, any way i can resolve this problem?


At 10:55 AM 4/15/2005, you wrote:
>On 4/14/05, Kong <kongzs at irepublics.com> wrote:
> > Hi,
> > i found a case here, i really don't know is it a bug or something else.
> >
> > i have like 200 ip phones connected to my * server, (ATA's and
softphones).
> > and i had it register to SIP service (FWD), so, when my internet
connection
> > is down, * is not able to register itself to FWD, never mind that, but
it
> > made all the extension berserk. all the client are not able to login to
the
> > server. error msg is "login timeout", but once i remark the "register =>
> > XXXX:XXXXX at fwdXXXX" and restarted the server, immediately * became back
to
> > normal.
> >
> > so, i was wondering, is the a bug or something? coz my internet provider
is
> > not consistent, sometimes it goes down.
> >
> > thank you.
>
>I seem to remember a bug like this that had to do with dns lookups I
>think.  Maybe someone else can remember the exact details and what
>version it was in.
>
>Chris
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