We do 4 per adsl with gsm every day. Matt ----- Original Message ----- From: "WipeOut" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, March 02, 2004 11:04 PM Subject: Re: [Asterisk-Users] Small office requirements - Can this be done?
| Steve Kennedy wrote: | | >On Mon, Mar 01, 2004 at 07:08:29PM -0600, Michael Graves wrote: | > | > | > | >>I have disagree about the ADSL. I have a1.5 Mbit/512kbit service from | >>Covad (in the US Southwest) and I have sustained 4 calls without a | >>problem. I prefer to use GSM over G.711to squeeze it down, but that is | >>my choice. I don't feel that call quality is substandard. | >> | >> | > | >That's the crunch (1.5/512) ... it's actually the 512 which is relevent. | >Virtually all DSL in the UK is a wholesale product from BT (they have | >about 2 million customers, Easynet who local loop unbundle may have | >20,000, the rest of the providers maybe another 10,000 between them). | > | >All BT ADSL is 256K upstream, all BT DSL is contented (in theory 20:1 | >and 50:1, but actually a lot less than that), there are a few providers | >doing their own contention over BT's product. | > | >However the 256K upstream is still the limiting factor, so you can get | >one, and MAYBE two VoIP lines over it. If BT would up the upstream to | >512, you could probaly get 4 out of it .... | > | > | >Steve | > | > | > | On the UK DSL using G.711 you should easily get 2 concurrect calls, | G.711 uses about 84k(incl overhead) in each direction, so 2 calls would | be 168K (of the 256k) | | If you switch o GSM or iLBC you should get 6 concurrent calls, and if | you were to use IAX2 trunking you could *maybe* squeeze another one.. | | Other codecs could offer even more but I haven't tested them.. | | Later.. | | _______________________________________________ | Asterisk-Users mailing list | [EMAIL PROTECTED] | http://lists.digium.com/mailman/listinfo/asterisk-users | To UNSUBSCRIBE or update options visit: | http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
