the technical doc’s from quintum talk the real safety percentage you win with packet saver activated on all the devices what integer your network is between 40 to 50%. more simultaneusly calls more safe on your bandwith.
there is important salvations to that… like jitter, delay, latency of the WAN or ISP (Internet service Provider) as well QoS on your LAN.
another important thing is the voice codec you’ll be using, as well the type of comm’s. you know quintum’s devices work fine with Fax (Data) and Voice Comm’s.
i could give you more exaclty information about the bandwith you need using quintum.