With the exception of the second T&C's I can only find one mention of FON to do with BT Mobile Broadband
Bit sneaky that - like who reads through all that and would understand half of it
Most people wouldnt have a clue it was switched on.
In fact I was somewhere last month, when I tried to get a connection on my phone and I noticed that it was picking up his BT HH and of course the Openzone connection. The guy seriously thought the openzone was from a shop a few hundred yards down the street.
To cut a long story short, it just wasnt worth the effort trying to explain that it
was his hub - I had better things to do.
What is interesting though, I noticed the 'OpenZone' got full 4 bars, whilst his 'BTHub' got a flickering 3/4 bars.
Its not the first time Ive seen this either - my neighbour has a BTHub4 that displays the same behaviour.
eg BTHub4-Zxxx is currently showing one bar, yet BTWifi-with-FON shows 2 bars.
Theres also a BTHub5-Hxx that keeps flickering in and out of range, yet its BT-FON shows up with a steady one bar.