[asterisk-users] Digium PRI cards for data usage?

[robert boardman]

Do you have to set aside kines for the data channels or can you have dynamic
data channels, for example ISDN dialup  internet backup?

Robb

2009/9/1 Tim Nelson <tnelson at rockbochs.com>

> ----- "Tilghman Lesher" <tilghman at mail.jeffandtilghman.com> wrote:
> > On Monday 31 August 2009 21:59:28 Tim Nelson wrote:
> > > Greetings- I'm wondering if the Digium PRI cards can be used for
> > data
> > > (Cisco HDLC, PPP, etc) or if they're for voice circuits only. I
> > haven't
> > > been able to find any information on this. All documentation direct
> > from
> > > Digium seems to indicate their hardware is for voice applications
> > only.
> > > Sangoma's cards work in either voice or data mode but of course this
> > is
> > > configured in their Wanpipe software. Thanks for any pointers.
> >
> > You can.  The keyword is "nethdlc" in /etc/dahdi/system.conf, although
> > to
> > enable it, you need to uncomment CONFIG_DAHDI_NET in
> > include/dahdi/dahdi_config.h and recompile the dahdi drivers.  Once
> > the
> > active spans are configured with nethdlc, use the sethdlc command
> > line
> > utility to set up the bonded channels into the various network
> > interfaces
> > (hdlc0 through hdlcN).  Depending upon your configuration, you may or
> > may not also need to then configure the corresponding pvcN devices.
> >
> > Here is an article on the old Zaptel interface.  While the name of the
> > driver
> > may have changed, the procedures remain the same:
> > http://www.softwink.com/papers/Installation_Securing_VoIP_With_Linux/
> >
> > By the way, the method for determining which channels are bonded are
> > as simple as the number of channels you configure together (on a
> > single
> > line) in /etc/dahdi/system.conf.  For example, you can do as little
> > as
> > nethdlc=1 (for a single 64k channel) up to nethdlc=1-192 (for 8 T1s
> > bonded
> > into a single data device).  Each nethdlc line in the config becomes
> > a
> > separate hdlcN device.
> >
> > --
> > Tilghman & Teryl
> > with Peter, Cottontail, Midnight, Thumper, & Johnny (bunnies)
> > and Harry, BB, & George (dogs)
> >
>
> Thank you Tilghman! That is exactly what I've been looking for!
>
> Tim Nelson
> Systems/Network Support
> Rockbochs Inc.
> (218)727-4332 x105
>
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