There is disclosed reverse billing in online search. A telephony server may receive a request from a user to cause a telephone call to be established between the user and a merchant. A notice to the merchant may be generated. The notice may include an offer to establish a telephone call with the user...http://www.google.co.uk/patents/US20060106711?utm_source=gb-gplus-sharePatent US20060106711 - Reverse billing in online search
