[asterisk-users] Caching Asterisk SIP useragent info?

[Veselin K]

Hello Paul,
thanks for the reply.

Could you please tell me what is the process called so I can
research it further.



Thank you.

Veselin K

On Mon, Nov 17, 2008 at 10:47:47AM +1100, Paul Hales wrote:
> 
> This process has been greatly improved in the latest versions of
> Asterisk - might be time to upgrade.
> 
> PaulH
> 
> 
> veselin at campbell-lange.net wrote:
> > Hello,
> > I'm running an Asterisk 1.4.14 on a linux machine.
> > Serving SIP Snom users.
> >
> > I've noticed that each time Asterisk is restarted, for the first 5-10
> > minutes, the SIP users can dial but cannot be dialed until each phone
> > re-registers itself against the server.
> >
> > So only after the "Saved useragent...for peer 111" line appears on the
> > Asterisk console, then the 111 user can be reached. 
> >
> > What exactly is this process?
> >
> > Is it that the phones send their extension/password details to the
> > server at specific intervals or does the server send a broadcast
> > message, looking for phones?
> >
> > Is there any way to cache/save this SIP useragent information so in case
> > the server is restarted, the user need not wait for their phone to
> > re-register?
> >
> > Also I believe that it is sufficient for the user to just pickup their
> > handset in order to force their phone to re-register quicker.
> >
> > However I'd like to avoid asking the users to do that.
> >
> > Thank you much.
> >
> > Veselin K
> >
> >
> >
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