I was researching this myself just the other day, but from the other perspective – having the handset as the connectivity provider in order to get rid of the hassle with modem scripts etc. Frankly speaking, I am not sure this is possible with the current Symbian phones out there, but is definitely interesting.
Bluetooth PAN?
You might be talking about the BT PAN (Personal Area Network, http://en.wikipedia.org/wiki/Personal_area_network) that could be used for exactly this type of purpose.
I was researching this myself just the other day, but from the other perspective – having the handset as the connectivity provider in order to get rid of the hassle with modem scripts etc. Frankly speaking, I am not sure this is possible with the current Symbian phones out there, but is definitely interesting.
Will keep looking.