I just remembered about the great telephone system where you got a small dish on the side of your house and 2 telephone lines for alot less money that BT... Took me a while to remember the name of the service but it was Ionica. "Our revolutionary telephone system uses digital radiowaves"... They ran out of money and closed down years ago.
Their website is long gone, but the waybackmachine had a cached copy... http://web.archive.org/web/19980624130611/www.ionica.co.uk/