Yes - they can fail, but you should also check that all telephone equipment in the house has them, that the PC is on the master socket if possible and if the bell wire is not used then it should be disconnected at the master socket.
This thread is now locked and can not be replied to.
Nintendo Switch review: Hands-on with the intuitive modular console and its disappointing games…
1995-2015: How technology has changed the world in 20 years
VFX Oscar nominees 2017: Discover how the visual effects were created
Best alternatives to iTunes for Mac | Best music players for macOS: Free your music from the…
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.