2009/3/17 Gordon Henderson <[email protected]>: > On Tue, 17 Mar 2009, Geraint Lee wrote: > >> We can put about 9/10 calls using SIP/gsm through our BT Business Network >> ADSL package connection (832kbit upstream, £65/month) before you notice >> the >> quality starting to drop, but you could always get two connections and >> "bond" them together into one using openvpn or some other method if you >> wanted to. > > Ugh. GSM )-: > > I've never really had much luck with BT as an Internet provider either - > their wholesale network - good, retail broadband, bad... > > In theory, you should be able to get 10 G711 SIP calls over a business > quality 830Kb/sec upload ADSL line. I get 9 on my test setup before any > packet loss. I managed 11 calls using IAX over the same line before loss. > (Entanet ADSL and a Draytek router - £25 a month) > > Intersting idea re. using openvpn or similar.. I have sites with 3 ADSL > connections - one for incoming calls, one for outgoing and one for general > office use.. That works when the call numbers in/out is relatively balanced > though. > > I know of a local company who're regularly putting 20 concurrent calls over > the same broadband setup using G729...
Yeah, we use g.729 ourselves too. Gavin. _______________________________________________ -- 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
