Sorry you haven't gotten an answer yet. I don't have HughesNet voice and don't know much about VOIP systems, but I'm pretty sure there is a slight delay due to the distance. How much there should be I'm not really sure. Maybe a half second? Is it more than that?
Ryzen 5 3400G | MSI B450M Pro-M2 MAX | 16GB Corsair Vengeance DDR4 3000 | XPG SX8200 Pro 512GB NVMe | Windows 10 Pro