> However, its important that the backbone is operating "properly" ie not > saturated which I think should be the case for all network operators, theres a > requirement tho if the customer has a relatively low bandwidth tail to the > network which is shared for different applications, its probably a good idea to > make sure the voip packets have higher priority than non-realtime data... (this > last comment is a suggestion, I've not actually tested this in a real > environment, low b/w lab tests tend to exclude other traffic flows) We've got plenty of the INOC-DBA phones on the ends of congested satellite tail-circuits, and don't really have significant trouble. As has been pointed out, the VoIP traffic may be stomping all over TCP traffic on the same links, but it _sounds_ good. :-) -Bill