If you’re having a new phone line installed or switching to full fibre, then it’s likely you’ll need to have an engineer visit your home. This usually happens within 14 days of signing up. However, if you’re switching to a similar deal with a different provider that doesn’t require a change to FTTP tech, or you already have a phone line, most providers will simply post you a new router with easy to follow instructions to get you up and running in a matter of minutes.