It's a BT Freelance XD100. It's less than a month since I had a landline restored at my flat, so I bought this for about £20. Maybe £25.
It's fookin rubbish. It sounds rough, and there is at least a one second lag between me answering it and my voice being heard by the caller. I say "caller", but I mean Steve. My mate. He is the only person who knows the number. Everyone else calls my mobile.
Given that the mobile sounds better I think I shall keep it that way.