The AudioCodes Mediant 2000 with 16 Span E1/T1 is only 1U.
In the US it will handle 384 calls. If you are in a high cost data center like equinix this may be the way to go. On 9/20/07, Josh Krueger <[EMAIL PROTECTED]> wrote: > > > On Sep 20, 2007, at 12:45 PM, Steve Totaro wrote: > > > Mitul Limbani wrote: > >> Hi Chris, > >> > >> > >> Quoting Chris Bagnall <[EMAIL PROTECTED]>: > >> > >>> Greetings list, > >>> > >>> I've recently been approached by a traditional PSTN LCR provider who > >>> are trying to break into the VoIP market and set themselves up. They > >>> have good contacts with some of the large carriers here in the UK > >>> who > >>> are happy to install interconnects into the datacentre in which they > >>> have rackspace. > >>> > >>> They're in a tricky position: they won't be generating anywhere near > >>> enough volume to justify one of the big Cisco gateways (or similar), > >>> but they will have sufficient volume to make PRI cards in asterisk > >>> servers rather inefficient. > >>> > >>> Initially the main carrier offered to install 16 E1s as a starting > >>> point for them, but: > >>> a) as their call volume increases, having lots of E1 ports and > >>> cables > >>> seems incredibly inefficient compared to an E3 or TDMoE. > >>> b) I can't help but feel asterisk might not be the most appropriate > >>> solution for something of this scale > >> > >> I believe you can put up 16 E1s on to a single server and which > >> runs asterisk. > >> If you require any assistance on that front, do contact us. > >> > >> Thanks & Regards, > >> Mitul Limbani, > >> Founder & CEO, > >> Enterux Solutions, > >> The Enterprise Linux Company (TM), > >> www.enterux.com > > > > > > Obviously you cannot put 16 E1s on a single server. And at least > > in the > > US, getting 16 T1s makes no sense. It costs just as much as a T3 > > (28 T1s) > > > > You can do it, I would inquire about an E3 (I suppose there has to be > > such a thing). A T3 comes as two coaxial cables, one send, on receive > > and would attach to a MUX to break out your E1s. > > > > Seven servers should do the trick. > > > > Thanks, > > Steve > > > > I agree fully.. To a point. > > Heres the thing, Ive worked on a platform that had well over 30 T1s > across 10-15 servers for inbound. And another 10-15 T1s for outbound. > Outbound were muxed into a T3. Having the inbound as individual E1s > makes much more sense especially when they may be dealing with > multiple carriers. 2-3 E1s from each carrier across the servers, etc > etc. This takes care of failover if a server dies. Now if its all one > carrier a demuxed E3 would be perfect. > > 7 servers is right at the mark I would have recommended (media > gateways should be midrange 1u servers, gateways 1u or 2u with > redundant power supplies). 5 with a quad port E1 card in each and 2 > to be SIP gateways and handle final CDR records, load balancing, etc. > Will also need detailed logging on the first 5 servers as well. To > have this all work happily, you will probably need some custom code. > > Asterisk is fine for handling this type of application. If you have > any questions, feel free to contact me off list. > > _______________________________________________ > > Sign up now for AstriCon 2007! September 25-28th. > http://www.astricon.net/ > > --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 >
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