[Asterisk-Users] asterisk tries to dial out on lines already in use.

[Paradise Dove]

On Sun, 30 Jan 2005 18:14:38 -0600, Jon Gabrielson
<jon at directfreight.com> wrote:
> Asterisk should be able to do this, there are several cases
> when this is essential.  The first is a shared/party line where
> asterisk cannot have guaranteed access for whatever reason.
> In our case, that reason happens to be because we also use
> our outgoing lines for faxing.
> The second is that without dialtone detection, if for some
> reason the line is down, asterisk needs to know so that it can
> try a different outgoing line.  If the first line is down, asterisk
> shouldn't hang, it should wait a few seconds and try to dial
> out on the next line.

this is the feature which other PBXs have.  the ability to detect out
of order lines (no dialtone - used by others) .
btw, as i said before a feature request about this is submitted to bug
tracker at http://bugs.digium.com/bug_view_page.php?bug_id=0002612.
suppose that any followups could be done there. maybe setting bounty
on this issue speedup the process!

thanks,
Paradise Dove

> 
> 
> Jon.
> 
> 
> On Sunday 30 January 2005 04:13 pm, Steven Critchfield wrote:
> > On Sun, 2005-01-30 at 13:40 -0600, Jon Gabrielson wrote:
> > > Can't asterisk look for a dialtone?  Even a $5 modem
> > > can detect whether or not there is a dialtone.
> >
> > Maybe you should just use your $5 modem and write your own software.
> >
> > Asterisk is a PBX. PBXs shouldn't have to deal with your bastardized
> > setup that doesn't respect the normal way in which a PBX is set up. A
> > PBX sits between the PSTN and ALL other access to the PSTN. In doing so,
> > asterisk can know ahead of time that the line is available. If you wait
> > for dialtone detection, then you have to also make code to understand
> > all international dialtones as well. Then you have to delay dial till
> > you are certain it is the tone you are expecting.
> >
> > > On Sunday 30 January 2005 10:37 am, Wilson Pickett wrote:
> > > > > When I place a call with asterisk, asterisk will try to dial
> > > > > out on the first line even if the first line is already being
> > > > > used by someone else.  Any ideas on what I'm doing
> > > > > wrong?
> > > >
> > > > My question would be, how would asterisk know the line is in use if it
> > > > isn't controlling it?
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