[Asterisk-bsd] Full length cards

[Jeff LaCoursiere]

Excellent advice!  Many thanks.  I think I will stick with the T1
interfaces and try to find used channel banks.  Any favorite sites?

Cheers,

j

On Mon, 14 Nov 2005, William Lloyd wrote:

> If you try to run 90 phones off a PC power supply you are asking for
> trouble.  It took years for digium to get the 4 analog port stuff to
> work properly in a PC let alone 24 channels.
>
> While in theory it will work, you are going to have MAJOR problems in
> practice.
>
> I gave up trying to build solid production systems from analog cards
> in PC.  If the project doesn;t have enough money to do the job
> properly then I wouldn;t touch it.
>
> If you are charging by the hour for installation and support and the
> customer has limitless patience, you've hit upon a goldmine ;-)
>
> Used FXS channel banks can be found for a few hundred $.
>
> -bill
>
>
> On 14-Nov-05, at 7:34 AM, Jeff LaCoursiere wrote:
>
> >
> >
> > On Mon, 14 Nov 2005, Kim Culhan wrote:
> >
> >
> >>  There seems to be a little confusion in this thread.. The
> >> original posting
> >> asked about using 4 TDM4xx cards to get ~90 FXS ports.
> >>  I think Jeff meant TE4xx cards which are T-1/E1 interfaces.
> >>  As for the TDM400P on FreeBSD, this should be no problem.
> >>  Just use the zaptel-bsd drivers on FBSD 6.0-RELEASE or 6.0-STABLE.
> >>  If anyone needs any help getting the source of this and
> >> compiling, let me
> >> know.
> >>
> >
> > Actually I did mean 4 x TDM400P to get ~90 FXS ports :)  I was
> > wondering
> > if anyone had attempted this in one chassis...  I am considering
> > bidding
> > on a hotel's phone system upgrade, and cost per port is very
> > important,
> > obviously.  I think I see three ways to reach their 90 rooms with
> > existing
> > cabling and analog phones.  I can use T1 interfaces and channel
> > banks, and
> > with some of the pricing I have dug up so far this seems to be
> > around $100
> > / port.  I can use 4 x TDM400P (?) and get it down to $60.  Then a
> > perhaps
> > hoky idea was to use around 50 dual FXS ATA devices, which potentially
> > gets it down to $35.  I say potentially because I haven't used many of
> > these devices, and don't know if the sound quality of an
> > inexpensive ATA
> > is sufficient?  Also this only makes sense if PoE is possible,
> > which is
> > something I haven't seen in literature on ATAs.
> >
> > I saw Kim's earlier post about drivers for TDM4xx, which is what
> > prompted
> > the question, actually.
> >
> > So, are the drivers for FBSD6 production stable?  Would I be giving
> > myself
> > headaches to install this for a client?  I would hate to fall back to
> > Linux, but stability is primary...
> >
> > Thanks!
> >
> > j
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> >
>
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