On Tue, 2006-03-21 at 07:45 +0100, Bartek Kania wrote:
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> On Mon, 20 Mar 2006, Beau Hargis wrote:
> > The channel driver is the issue. The library and the drivers are all
> > packaged together from Sangoma. Getting the data from the channels is
> > not that difficult and libpri can do the signaling if necessary. We do
> > have plans to plug a DS3 into a machine and Zaptel has worse performance
> > than the old 8250 RS-232 interface. I have never in my life seen
> > interrupt rates that bad before.
> 
> What signalling protocols can be done with libsangoma?
> Only stuff on E1/T1/J1-lines or do they have FXS/FXO cards also?
> And what do YOU want to have in the channel?
> 
> If someone would write it, do you have the means to help test it and
> fix bugs?
> 

A chan_sangoma was on someone's wish list. I mentioned that to some
developers at Sangoma. It would really do them a lot of good, since the
cards can perform a lot better than zaptel permits. 

The cards can be configured in any way. You can split the d-channel off
into it's own device, and have the other b-channels in another another.
Or you can have them all in one stream. Usually librpi is used to do the
signaling, it seems. I found mention somewhere of the card doing some of
the signaling that libpri does, but it seems to have been something put
on the back burner.

If someone has a plan to develop such a thing, then I would be most
willing to test it out and debug it. Someone must have something
started. I have 2 boxes with 20 T1s each (10, 4-port cards). We are
getting a few more boxes as well. I think we will have to port AEL or
AEL2 to OpenPBX to make such a transition. The extension-centric
dialplan shit makes developing large applications impossible. It has
been easier for me to write things in C. 

Right now we are evaluating Yate because I can actually get that to work
well enough for development and some load testing. It is using the API
in the drivers, I believe. That still has some problems. Bayonne is also
on the list of things to get working for testing.

Zaptel is useless for anything large-scale. 
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