[Asterisk-Users] How often do YOU register?

[Matt]

Ok,
If a user drops off (power failure, etc).  I detect them in asterisk
as going offline within about 2 minutes.  However, registration is
only happening once an hour.  I have qualify=yes set in asterisk.

On 3/20/06, Arek Bekiersz <sip at perceval.net> wrote:
> Hi,
>
>
> Being SER user I use 5 minutes (300 seconds).
>
> But you have to balance between load on your registrar server (like * in
> this case) and keeping your database up to date. Too short
> re-registration in huge system means literally tens of registration per
> second. To long registration means:
>
> a) users will seem available for a prolonged time, even during power
> off, their network failure, etc.
>
> b) if user will change IP address and you have long expiratoin time, he
> will be visible under two or more addresses. Most SIP proxies will
> perform parallel forking - they will contact all IPs. Of coure provided
> that you do not perform any form of registrar database 'purge' or
> cleaning, when registering UA from new IP address
>
>
>
>
> Matt wrote:
> > Hi,
> > How often do you all have your ATAs and phone register with the
> > asterisk server.  I am doing it once an hour, but now I am wondering
> > if maybe that is too long in between registrations?
>
>
> --
> Regards,
> Arek Bekiersz
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