The invention provides a method and system (10) for enabling use of a communication network by a subscriber. The system includes a database (12) including data on a plurality of subscribers and identification means for remotely identifying subscriber. The systems further includes a verification means for verifying subscriber details with reference to the database and a stock of enabling codes (20) which, when fed into the network allow commutation via the network to a predetermined extent. In use, the subscriber is identified remotely, his details are verified and he is then provided with an enabling code permitting communications via the network.