A system and method for messaging-triggered sales lead redirection which uses an interaction control server to facilitate initial communications between potential buyers and sales representatives of sellers. In an embodiment, the system comprises a triggering application installed on a mobile phone of a user (potential buyer), a media gateway server which provides context-aware advertising and through which potential buyers may be connected directly with sales representatives of a seller, and an interaction control server which controls the messaging between the mobile device and the media gateway server.