[asterisk-users] Registrations, how many is too many?

[voiplist]

That is interesting.. Not sure though how getting rid of IAX could
have fixed your SIP issues, seems odd.

We can't really get rid of IAX, our customers would flip their lids.

The big difference we have is that this has happened on more than one
occasion when there was little to no call volume.




On 2/28/07, Alejandro Kauffmann <akauffma at prodigy.net.mx> wrote:
> > Anyone have any idea if there is some sort of limitation to
> > the number of SIP or IAX end points which can register to an
> > Asterisk system (2.8Ghz dual processor, 2GB ram) while also
> > handling 30-50 simultaneous calls without getting into trouble?
> >
> > Of course the 30-50 simultaneous calls end up being 60-100
> > channels of mostly G711 VoIP.
> >
> > We have seen issues where our Asterisk just gets all crazy
> > and SIP quits working all together, to the point sometimes
> > where we can't even fix it with a restart.
> >
> > At one point we were using all realtime for IAX and SIP
> > clients, then we went to text files (more or less), still we
> > are seeing this issue.
> >
> > When this happens we can't even do simple things with SIP
> > like "sip show peers" etc. because Asterisk just says that
> > the application doesn't exist.
> >
> > This has been a battle for a few months and we can't put our
> > finger on it. Can't seem to figure out when it's going to
> > happen either which is VERY tough on the nerves to say the least.
> >
> > This happens during peak times but also in the middle of the
> > night when call volume is slow to non existent.
> >
> > The only thing that's constant during both peak and non peak
> > times is the amount of registrations the system deals with.
> >
> > We have approx 1500-1800 end points registering to this
> > particular system at any one time. This is a split between
> > IAX and SIP not sure what the percentage of each is at the moment.
> >
> > It's been a long time since a problem has beat me/us and this
> > one has won so far.
> >
> > Any help in getting my sanity back would be REALLY
> > appreciated. _______________________________________________
>
> We've seen the same behavior since the 1.0.x version and have been unable to
> track it down.  What I can tell you is that we used to peak around 40 calls
> (SIP/IAX to zap over E1 PRI all using alaw) and SIP would crash.  I saw a
> peak of 97 calls today (216 channels with chanspy accounting for most of the
> difference) and this is on a single core 3.2Ghz with 1Gb ram.  What changed?
> We got rid of IAX.  I can't tell you if this will work for you or not, but
> my nerves are doing better now that I don't get calls at random hours of the
> day telling me that "we have no phones".  As a side note, inbound ZAP(PRI)
> would still work, but only to IAX endpoints.
>
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