Should have read, "I cannot recommend the Atran MX2800 M13 *enough*"
Two controller cards, two power supplies, battery backup, this is a nice little box. It will probably be the most solid piece of equipment in your data center. Thanks, Steve Tototaro On Sun, Apr 6, 2008 at 11:12 AM, Steve Totaro <[EMAIL PROTECTED]> wrote: > I cannot recommend the Adtran MX2800 M13, it has redundant everything > and is very easy to setup and not very expensive either. > > Thanks, > Steve Totaro > > > > On Sun, Apr 6, 2008 at 11:04 AM, Michael Cargile <[EMAIL PROTECTED]> wrote: > > Another reason I am sure that Digium has not released a DS3 TDM card is the > > fact that asterisk currently cannot handle that many channels. I am > speaking > > from experience on this. We have build before a predictive dialer with 16 > > PRIs. In order to do this and not have audio quality issues we had to use > an > > 8 core Intel Xeon server with 16 gigs of ram, a 6 drive RAID 10, and two > > octal echo canceling Sangoma cards. This also required numerous OS tweaks > > and dial plan optimizations. The amount of time spend on this was not worth > > the final product. > > > > This is not to say that Asterisk will not be able to support this in the > > future. In the 1.6 tree, they have change a number of core data structures > > and the type of locking used around them which should allow far more > > channels to pass through Asterisk with much lower load. I would not even > > attempt this though till somewhere around the 1.6.5 release so that the > vast > > majority of the bugs can be worked out. > > > > In the mean time, if someone really needs to handle that many channels I > > would suggest purchasing a DS3 to T1 mux and pass the T1s onto mutliple > > Asterisk servers setup in a cluster. In the end you will end up spending > far > > less money and time setting the system up. I also saw recently at a trade > > show a DS3 to SIP converter which might also lower the cost as you would > not > > need T1 cards. The only issue is that they are a some what new technology > > where as DS3 to T1 muxes have been around for some years now and can be > > found on ebay for around 700 dollars. > > > > Michael Cargile > > Director of Consulting > > The Vicidial Group > > www.vicidial.com > > > > > > > > > > On Sun, Apr 6, 2008 at 9:55 AM, Jay R. Ashworth <[EMAIL PROTECTED]> wrote: > > > > > On Sun, Apr 06, 2008 at 05:37:03AM -0400, Steve Totaro wrote: > > > > > There was a fundamental problem with the chipset used, which > precluded > > the > > > > > card from being useful. Specifically, the chipset only permitted the > > first > > > > > 255 channels to be addressed (instead of the full 672). Since that > > time, > > > > > and > > > > > partly due to this circumstance, Digium no longer announces the > > release of > > > > > cards until they are ready to be shipped, with drivers and all. > > > > > > > > > Would that be 254? Seems like 254 is always the cap. > > > > > > I would bet cash that it's 256 channels, numbered 0-255. > > > > > > The limit is 8 bits of address. > > > > > > Cheers, > > > -- jra > > > -- > > > Jay R. Ashworth Baylink > > [EMAIL PROTECTED] > > > Designer The Things I Think RFC > > 2100 > > > Ashworth & Associates http://baylink.pitas.com > '87 > > e24 > > > St Petersburg FL USA http://photo.imageinc.us +1 727 647 > > 1274 > > > > > > Those who cast the vote decide nothing. > > > Those who count the vote decide everything. > > > -- (Joseph Stalin) > > > > > > _______________________________________________ > > > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > > > _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
