How is your network structured?
Can you show me a sample entry from your sip.conf?
I was having this problem. But as far as I could tell there wasn't
one. From a network stand point all phones were reachable asterisk
was just reporting that it was Unreachable and it wasn't sending the
calls. I switched to qualify=no and wrote a small agi to catch $
{HANGUPCAUSE} and log it to a file. If it records a bunch of
chanunavail messages you still have a problem.
If you don't want to turn qualify off you could play with the qualify
times. I did a bunch of this before I just gave up.
I'm sure there is a better or proper way of handling this. I'm
interested to hear it.
Paul
On Nov 20, 2009, at 3:41 PM, Edwin Lam wrote:
> hi folks.
>
> we've experienced some weird problems lately. we have about 600
> SIP phone on a single system running *1.4.26.2 for about a month.
> recently there was massive UNREACHABLE messages like this one
> showed up:
>
> chan_sip.c: Peer '2699' is now UNREACHABLE! Last qualify: 1252
>
> then they all became reachable again in a few seconds. sometimes
> it last for couple minutes. but sometimes it last for hours, when
> that happens. the system will get very slow and eventually error
> like this will start showing:
>
> channel.c: Exceptionally long voice queue length queuing to IAX2/
> hostpbx2-12619
>
> after a while the whole system will become unresponsive
> until i kill the asterisk process.
>
> i've checked our network switches/routers and connections.
> they all work fine without any packet lost.
>
> any suggestions?
>
> --
> Edwin Lam <edwin....@officegeneral.com>
> Systems Engineer, Office General, Inc.
> Ph: +1 415 439 4988 Fax: +1 415 283 3370
> http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0xD6506D20
>
>
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