[Asterisk-Users] Which is the best signalling for FXS

Steven Critchfield critch at basesys.com
Sat Nov 27 08:42:58 MST 2004


On Sat, 2004-11-27 at 09:11 -0600, Rich Adamson wrote:
> > > Kewlstart is for disconnect supervision. If you have a simple phone
> > > connected, it doesn't make much difference what your signalling is as
> > > the human will actually hangup the phone. If you hookup another device
> > > that might actually need the supervision like a
> > > modem/faxmachine/whatever, you will still want disconnect supervision.
> > > As far as technical best, out side of the disconnect supervision, the
> > > kewlstart and loopstart are equivalent.
> > 
> > It is also my understanding that most local exchanges (in the US) don't
> > enable disconnect supervision by default. I had to ask my telephone
> > company to enable it.
> 
> That's not true. In fact, most US telco switches do support disconnect
> supervision. Are you sure your not confusing disconnect supervision with
> something else, maybe which end of a call 'controls' the disconnect
> signalling?

Please reread James' comment. He didn't say it wasn't supported. He said
it was not normally enabled. 
-- 
Steven Critchfield <critch at basesys.com>




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