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 > > _______________________________________________ > > Asterisk-BSD mailing list > > [email protected] > > http://lists.digium.com/mailman/listinfo/asterisk-bsd > > > > _______________________________________________ > Asterisk-BSD mailing list > [email protected] > http://lists.digium.com/mailman/listinfo/asterisk-bsd > > !DSPAM:43789dca475107214358484! > > _______________________________________________ Asterisk-BSD mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-bsd
