Same issue here in NC, with Verizon as my cellular carrier. I was disappointed to figure out that the cell over WiFi (all Hughes equipment) did not work well and had lots of clipping and drops. As others have pointed out latency is the primary issue however some of that is solved by applying QoS (Quality of Service) to the VOIP packets. Unfortunately Hughes routers/modems (as far as I can tell) do not allow for independent VOIP and QoS configurations and as a business they obviously direct you to their own VOIP product which integrates with the other Hughes equipment to supply QoS. REF: https://en.wikipedia.org/wiki/Quality_of_service I broke down and installed a cellular booster. ROI for the product I purchased is equal to17 months of Hughes voice service and as a bonus my guests get cellular boosted without joining my wireless network. (weBoost - mid-range $$)
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