Jeff, I hadn't thought of those scenarios.. I suppose with the dialog module you can do some pretty neat stuff.. this is a great idea..
On Tue, Jun 16, 2009 at 9:03 AM, Jeff Pyle <[email protected]> wrote: > Hi Raúl, > > It comes down to the service we're offering. When a customer buys a PRI > from us, they don't care or even know in many cases it's driven by VoIP. > They're buying a PRI -- they expect PRI quality. It is my opinion that > G.729 does not provide that quality. But, I also do audio production, so > I'm probably a bit more sensitive to it than most folks. Personally I > can't > stand the way it sounds... like a cell phone. (I can't stand satellite > radio for the same reason.) There's nothing wrong with our particular > implemenation of G.729; that's just how it is. So, our rule is G.711 > wherever possible because it provides the service our customers expect. > > Oh, and we're also the ISP selling the T1s in many cases. :) T1s are > quite > common because the DSL service sucks in this area, and we can usually bring > the price of a T1 down to where it makes sense for the customer. 6mb/768kb > is a common high-end speed DSL here. It's common for the downstream to > drop > below 2mb when it rains. Yes, it's that bad. We simply cannot guarantee > the quality on DSL as we can on a T1, where we have QoS egress control on > both sides. Again, back to service quality. If anything I'd pick cable > over DSL. It's available in most areas although the installation cost may > be more. > > It would be very nice to provide a "mostly" uncompressed PRI, compressing > only when volume dictates. > > > - Jeff > > > > On 6/16/09 8:43 AM, "Raúl Alexis Betancor Santana" > <[email protected]> wrote: > > > > Just as a comment ... if you have very bad quality with G.729, maybe your > > problem is on other place. > > > > Having T1 line's for data, just for putting VoIP traffic ast SIP+G.711 is > a > > waste of bandwidth, but that just my opinion. > > > > Our customers uses ADSL lines ranging from 3Mb/320Kb to 10Mb/1Mb, and > using > > the same line for Inet navitation + VoIP, over a 3M/320Kb line you could > > drive 5 G729 calls without any problem, and over a 10Mb/1Mb line, more > than > > 12 ... so I don't undestand where you have problems with a 1.5Mb/1.5Mb > line. > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users >
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