Really poor home phone line quality

[LizP3]

When making or receiving telephone calls on my home phone the crackling noises are so bad that I can't hear the individual in the other end of the line

[Mark39]

@LizP3 are ypu using a cordless phone? Try the simple connection test here: https://www.sky.com/help/articles/broadband-diagnostic-start

If it detects an issue you'll be able to book an engineer there and then.