[44net] New ISP blocking VoIP

I am reposting this for William Horne because he post using a prevous message of mine but it came directly to me. Please take a look @ his issue below. Thanks Harold K7ILO ________________________________ From: E. William Horne <malassimilation(a)gmail.com> Sent: Sunday, October 2, 2022 2:57 PM To: Harold Kinchelow <k7ilo(a)outlook.com> Subject: New ISP blocking VoIP OM, I humbly request that you help me in any way you can to get around my new ISP blocking VoIP phone calls. On 9/4/2022, they stopped without warning or justification: both Callcentric and Hamshack Hotline went dead at the same time. On Monday, 9/5, I complained to the "Tech Support" number, and I listened to their employee being told to "Blame it on his router," and then to her doing so. I told her that wouldn't cut it, and she said she would "reset my modem" and then Callcentric came back online. I made a call with my Cisco SIP phone, and talked to my brother-in-law in Massachusetts for a few minutes, but right after we hanged up, the Callcentric line was dead again. I complained again, with nothing but gobbledygook and shaming and finger-pointing to show for it. The ISP had some flack call me, and he told me that they were doing "Cee-Gee-NAT," and couldn't map the ports required for Voip. I asked him how the ISP could offer it's own VoIP service, right on their public-facing website, if that were so. He said he'd have to do some more research, and I've never heard back. Here's a fervent "TIA" for any help you can offer. 73, Bill Horne, W4EWH 828-380-1440 (Cell)