What about loss?
BCR Feb ‘98 & Jan ‘99 shows with even 10% random loss can still get almost toll quality
Our experience in other areas is to say problems start between 2.5 and 5% packet loss
ITU/TIPHON defines a loss of < 3% as good for Internet telephony
If 20 msec between VoIP packets, then lose adjacent packets:
- every 2 seconds for 10% loss
- every ~ 30 seconds for 2.5% loss
Over 500 remote-monitoring site pairs have better than 2.5% loss