So I gave 02 one final go at this on Friday and it failed yet again. I
phoned them today to request my PAC code (why you're not given this at
the very start of a contract so if it doesn't work out you can just
leave! I don't know?). Anyway, person fr...
I have exactly the same problem. Despite contacting 02 three times now
and being told each time, tech support will look at it and I've to try
again in 24hrs, reboot phone etc - it seems enabling call diversion is
beyond 02. I don't have wifi calling ...