Damon, Thanks that is great info. robert
--- Damon Estep <[EMAIL PROTECTED]> wrote: > > Thanks, > > So what are the fresholds of the jitter, delay, > and > > packet loss I should be asking my ISP for? > > robert > > > > On a T1 you should expect an SLA that states; > > Latency - < 80ms round trip latency between your end > and the ISP core > routers within a few thousand miles, SLAs typically > only cover traffic > on the ISPS network. Try to use the same ISP for all > VoIP endpoints so > there is never any question about which network the > delay occurs on. > > Jitter - SLA should be < 5ms > > Packet loss - should be < 0.5% > > While VoIP might tolerate more jitter and packet > loss than stated above, > these are not unreasonable parameters for T1 service > and you should be > able to get an SLA that falls in or near these > parameters. Any ISP that > can not provide a close SLA is not confident in > their network. > > In my experience, packet loss is the biggest enemy, > jitter is a close > second, and latency is third (if it is still under > ~200ms). > > Latency is a function of bandwidth and without > congestion will be very > consistent on similar bandwidth connections. > Increases in latency due to > congestion almost always come with high packet loss > and jitter. > > > Google for T1 Internet SLA and you will see many > sample SLAs. > > _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users