How does the XR055 compare with, say, a TE412P ? Does anyone have any non-subjective views ? ;)
Julian Ruth Bridger wrote: > I would like to add some information about the capacity of the USB 2.0 > connection. The USB 2.0 interface provides a theoretical speed of > 480,000,000 bits per second. A typical uncompressed phone conversation uses > about 64,000 bits per second per direction, plus some overhead; in total > less than 200,000 bits per second per phone call is used. Thus, the > theoretical concurrent number of conversations that the USB 2.0 interface > can handle is 480,000,000 divided by 200,000: roughly 2,400 calls for a > single USB 2.0 port. For more info, see > http://www.xorcom.com/astribank-technology/usb2-interface.html > > Bottom line...the USB connection is not the bottleneck. Finding a PC with > the required number of PCI slots would be a problem with the suggested > Sangoma solution. > > As for the channel banks, since the 1U Astribank supports 32 channels (as > opposed to the typical 2U 24 channels supported by other types), the > Astribank is obviously the better choice. For a point-by-point comparison, > see > http://www.xorcom.com/astribank-technology/astribank-vs-channel-banks.html > > I'd be happy to answer any other questions about this technology... > > Ruth Bridger > Xorcom - Asterisk Based Hardware Solutions > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Mitul Limbani > Sent: Wednesday, January 07, 2009 08:36 > To: Commercial and Business-Oriented Asterisk Discussion > Cc: Commercial and Business-Oriented Asterisk Discussion > Subject: Re: [asterisk-biz] ATA Bank for Asterisk, 400 phones > > Greg, > > Pair of sangoma and we are talking of really powerful machine, I would > rather put two low cost server hardware or buy 2 x XR30xx series > hardware each connected with 8 astribank and can handle upto 800+ > phones. > > USB is still powerful then PRI moreover its easy you dont have to open > up hardware thatmeans you are safe on warranty front. > > Regards, > Mitul Limbani, > Founder & CEO, > Enterux Solutions Pvt Ltd, > The Enterprise Linux Company(r), > http://www.enterux.com/ > > > On 07-Jan-09, at 8:43, "Gregory Boehnlein" <[email protected]> wrote: > > >>> I think you should have a look at xorcom astribank you can have 32 >>> ports in one bank and all you need is USB on you asterisk server. All >>> the drivers are inside the official zaptel/dhadi drivers so >>> installation is pretty much out of the box. >>> >> He mentioned that he needed to have 400 phones. That makes for a lot >> of Astribanks, and I dare say probably more bandwidth than can >> reasonably be expected to push through a USB bus. >> >> While the idea is good, if I were building the solution, I would be >> looking at a pair of the Sangoma 8 port T1 cards w/ external channel >> banks. >> >> >> _______________________________________________ >> --Bandwidth and Colocation Provided by http://www.api-digital.com-- >> >> asterisk-biz mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-biz >> >> > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.176 / Virus Database: 270.10.3/1879 - Release Date: 06-Jan-09 > 17:16 > > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz > > ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-biz mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-biz
