Thank you for reaching out to us and welcome to the community. Please allow me a bit of time to review your account and our resources to help with this issue. I will also check for any ongoing issues regarding this.
I was unable to find any reports of other customers experiencing this. That mean that this is an isolated issue. Before we begin troubleshooting, please power cycle the ATA unit for 30 seconds. The best method is to unplug the ATA from the wall outlet or power strip. Wait for about 30 seconds and plug it back in. It may take up to a minute to fully power back on. Once you have done that, try calling from your own cellphone and let me know if the issue was fixed.
No, this does not work. I talked to tech support 6 times and they sent a new voice box. The phone part of it never worked and was not able to call or receive calls. The internet part was iffy, at best. I am still experiencing the same issue. Going on now for 2 days. I have requested repair service, which is scheduled; however, the tech agent told me i had to pay $125 for service even though I pay for express repair. She said I had to "troubleshoot" with her before I could get a repair person for a low price. I told her I have troubleshoot with 3 other persons, on chat and on the phone, and got nowhere. I am not happy with HughesNet right now.
Very frustrating indeed, but hang in there and please give @Damian a chance to look into all of this when he comes back next week. He may be able to implement a different solution.