BT Cloud Voice answer delay - it was DNS

Today I fixed a strange problem where BT Business Cloud Voice phones would have about a 10 second delay when answering, or when dialing out. When answering a call it would stay silent for a few seconds before finally working. The phones are Yealink T46 supplied by BT, the problem would have probably...

DNS router networking voip
Give user permission to hibernate with systemctl on Ubuntu

I decided to give an Ubuntu based distro a try on my laptop and installed Linux Mint. I was surprised that hibernate doesn't just work by default in 2025. There are plenty of tutorials on how to enable it though, so I am assuming that you have already

  • Made your swap file or partition large enoug...
Linux systemd hibernate ubuntu mint sleep