Hi Jo85,
Thank you for your post and welcome to the forums.
Sorry to hear about the issue you've had here. When the engineer replaced the equipment, was it a different hub? How is your phone line connected - is it to the hub or the socket on the wall?
Cheers.
Ryan_N - Forum Team - https://community.virginmedia.com/t5/custom/page/page-id/WelcomeGoodFolk