Plusnet Hub 2 Router/VOIP

[#1]

@SamV 

As @HPsauce  stated the simplest way is to but from A&A. He also got the price right.

https://www.aa.net.uk/voice-and-mobile/voip-information/use-cases/home-user/

Have a look at

https://www.aa.net.uk/quick-order/

Brian

[#2]

I use a Gigaset ATA and a VOIP service from Voipfone who I would be happy to recommend.