[Asterisk-Users] Multiple Asterisk servers sharing/propagating registry ?

Steven Critchfield critch at basesys.com
Tue Dec 9 14:55:35 MST 2003

On Tue, 2003-12-09 at 15:06, Andrew Kohlsmith wrote:
> > I'd like to know if there is a way for multiple asterisk servers to
> > share a common SIP and/or IAX registry.
> > The setup I imagine would be something like :
> > - several asterisk servers called sip1.isp.com, sip2.isp.com, ...
> > - a DNS alias sip.isp.com pointing to all the addresses (thus
> >   providing a round robin resolution on each server)
> > - each SIP client would register with sip.isp.com (thus ending on a
> >   random asterisk servers)
> > - but after that, all the servers would be "aware" of the
> >   registration. Thus any asterisk server would know how to route a
> >   call to SIP/<some registered user>
> I would like to know how to do this as well, but for different reasons: 
> mobile users.  If I'm in the office my SIP phone registers with the local * 
> box, or at my house wiht my * box, and so on and so forth, so my extension 
> moves with me.  If I'm not anywhere near a * box the SIP registration 
> eventually dies and since there's no SIP registration it calls my cell 
> phone...  kind of like a universal extension type of thing.
> I know I can dial all of them with one extension and whichever picks up 
> picks up but that seems a little ... hokey.  I can't think of a better way 
> to do it short of being able to propagate registrations across * boxes.

Sounds like a failover should be used.

If you are registered at the office, the first line completes the call.
If you are not there and/or the phone isn't registered, it dials out to
your home machine. If you aren't at home, or registered it fails over to
the cell phone.

Your just progressing through steps.
Steven Critchfield  <critch at basesys.com>

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