Michael is bang on -- I've minimized VoIP quality issues at several sites by reserving sufficient outbound bandwidth. This is especially important if it's a small office using ADSL.
On 2007-09-16 11:05, "Michael Graves" <[EMAIL PROTECTED]> wrote: > On Fri, 14 Sep 2007 18:53:53 +0000, John Meksavan wrote: > >> Alejandro, >> >> Thanks for replying. I did come by this website before. I was just >> wandering, if anybody actually tried Skype with Asterisk. My >> experimentation with the Sip Protocol and Asterisk is at end because I >> could never get QOS with any sip provider, ie Broadvoice, Vitelity, and >> Teliax, when connecting directly to the "General Internet". >> >> In my past experience, Skype has been the only VOIP that works very well. >> If I could just integrate this with my Asterisk at work, it would really >> make my boss happy. > > Huh? In my experience QOS is that it's enirely something I have to deal > with....not the upstream providers. It matters most with respect to how > I manage outbound bandwidth. Other traffic across my router can cause > trouble for the voip service if I don't ensure adequate bandwidth. > > You simply can't get assured QOS over the internet. But the problem > usually isn't the internet, it's the edge. For me QOS tagging has been > less usefull overall than "traffic shaping"...which is an edge process > for managing bandwidth at the user-end router. > > Skype is seriously problematic since it will use various ports in an > unpredicatable fashion. That makes it difficult to manage its traffic > since you don't know where its acting. > > I've tried two software programs intended to interface Skype to SIP > (PSGW 3.0 & ?? ) and they both had problems. Most noticably high > latency since they used the Skype API to take the call back to baseband > audio then re-encoded it into a SIP call. > > I've found that using traffic shaping and G.792 codecs makes SIP very > reliable for a small office on a decent DSL connection. > > Michael > > > -- > Michael Graves [EMAIL PROTECTED] > Sr. Product Specialist www.pixelpower.com > Pixel Power Inc. [EMAIL PROTECTED] > > o713-861-4005 > c713-201-1262 > skype mjgraves > fwd 54245 > > > > _______________________________________________ > > Sign up now for AstriCon 2007! September 25-28th. http://www.astricon.net/ > > --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 -- Eric Jacksch http://www.jacksch.com _______________________________________________ Sign up now for AstriCon 2007! September 25-28th. http://www.astricon.net/ --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
