Post #717753

Just found out (after troubleshooting for 2+ hours) that the reason why one of our customers VoIP equipment can't reach their SIP registrar's servers IP, is because of peering issues. Funnily enough, it works fine when I route the SIP traffic over the backup 4G connection, whose ISP has direct peering with the SIP registrar. I fully expected the Sophos XGS Firewall to be the culprit, but of course, this time it worked perfectly. Times like these feel like Sophos is gaslighting me into believing it never has problems. But alas, this problem is for someone else to solve. 🫠 /s