[asterisk-users] dahdi-channels.conf parameters

[Richard Mudgett]

> What you say...Richard Mudgett (rmudgett at digium.com):
> 
> > > I've always used dahdi-genconf to just create the
> > > dahdi-channels.conf
> > > and since our PRI is fairly simple (just dump all the channels
> > > into
> > > one
> > > group) it works with dialing with dahdi/g1/(number). I'm trying
> > > to
> > > understand the file though for my own reference.
> > > 
> > > It seems the file looks like this:
> > > 
> > > group=0,11
> > > context=from-pstn
> > > switchtype = national
> > > signalling = pri_cpe
> > > channel => 1-23
> > > context = default
> > > group = 63
> > > 
> > > So what I don't get is why group is specified with 0,11. Is that
> > > groups
> > > 0 and groups 11? And then it has a random group = 63 at the end.
> > > And
> > > I
> > > dial with group 1 (dahdi/g1), but it seems to work? :) It's
> > > completely
> > > confused me as to why this actually works.
> > 
> > The starting configuration file is chan_dahdi.conf which may
> > subsequently
> > include a dahdi-channels.conf file.  The thing to remember with
> > chan_dahdi.conf is all options are cumulative.  Channels are
> > created
> > using the cumulative configuration when the
> > channel => 1-23
> > line is processed.  Anything after that line will not affect
> > channels 1-23 since they are already created.
> > 
> > Depending on where in the configuration the snippet you posted is
> > found will determine if it even has any effect.
> >
> > Richard
> 
> Ah, ok. Is it possible that this file isn't even being used then? The
> chan_dahdi.conf is similarly terse and doesn't have an include =
> line:
> 
> [channels]
> context = global_inbound
> switchtype = dms100
> pridialplan = national
> signalling = pri_cpe
> rxgain = 1.0
> txgain = 1.0
> group=1
> echocancel=yes
> channel => 1-23
> jbenable=no
> callprogress=yes
> musiconhold=default
> usecallerid=yes

If this is the contents of the chan_dahdi.conf file then yes, the
dahdi-channels.conf file is not even used.  Also the lines after
channel => 1-23
have no effect.

Richard