Well Julio, in countries where there are no reliable regional communication backbones with lower return times, satellites are used and in most cases the quality is outstanding for a good implementation even for a double hop.
I could give you a call over a satellite link, G729 and latency of up to 650ms. Best regards Arinze Izukanne --- Julio Arruda <[EMAIL PROTECTED]> wrote: > Tim McKee wrote: > > Guys: > > > > I routinely run multiple phones over our satellite > system (I'm the VP of > > Network Services at SDN Global, a satellite > bandwidth provider located in > > Charlotte NC, US). > > > > Just last week I went to West Palm Beach, FL US > and turned up a 10 phone > > emergency call center, complete with ACD queues > for an insurance company. > > We were able to run all ten phones (Cisco 7960Gs, > SIP) on G.729 codecs back > > to my * server in Charlotte NC US. No special > settings were required on * > > or the phones. > > > > The satellite system *must* support *REAL* QoS and > must have jitter < > > ~100ms. Traditional satellite systems have *lots* > more jitter than that. > > The actual latency _doesn't matter_ as long as the > jitter is steady. We are > > even doing 'double-hop' phone calls successfully, > where the latency is > > double the normal latency. > > > > Anyone that wants more detailed info contact me > off-list. > > Out of sheer curisity, the delay itself doesn't make > the conversation > 'bad' (meaning, walkie-talkie/roger-and-over-like ?) > The codec itself should introduce some dozens of ms, > but the satellite, > is not at least 300ms one way or something like that > ? adding the > codecs, and the jitter buffers and etc..I wonder how > good/bad is it ? > _______________________________________________ > 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 > ___________________________________________________________ALL-NEW Yahoo! Messenger - all new features - even more fun! http://uk.messenger.yahoo.com _______________________________________________ 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
