My Sky phone line kept dying for days. The fix was one SIP flag.
Sky Phone on my Keenetic would drop and throw a 503, then stay dead for days. The tempting fix was a nightly reboot. The real fix was a single SIP option: 100rel.
Sky-Wifi
Instagram was slow on my Wi-Fi. The cause wasn't what I thought.
Instagram felt sluggish only on Wi-Fi. I blamed IPv6 and NextDNS — and was wrong. Here’s how I diagnosed it with data instead of vibes.