Heh oh dear
They might be using the Internet Watch Foundation (IWF) as for some reason they have b3ta listed as a porn site. I speak from experience of trying to access through my 3 mobile on pay as you go. (Trick is, while in a 3G area, to use the 3internet APN which isn't filtered)
(Cloudane, Tue 15 Jun 2010, 16:51, 1 reply)

I'm with three on a contract
and B3ta is blocked
( sandettie light vessel automatic New Twitter - @bollocksreally, Tue 15 Jun 2010, 17:38, closed)

YMMV
Allegedly (chap in Mumbai) the x-series silver addon isn't filtered. Yet my mifi sim isn't either and that's payg. Seems almost random.

3internet APN gets around it in 3G zones, or there's Opera Mobile which uses a proxy.
(Cloudane, Tue 15 Jun 2010, 18:28, closed)

I've never had problems with 3 mobile
Though the idea of them blocking home users from accessing certain sites is a bit shocking, surely?
(Davethefan began lurking again on or around, Tue 15 Jun 2010, 18:40, closed)