1. A system for modifying a communication network, the system comprising: an article having a printed matter containing at least one machine recognizable feature; a communication station of or associated with a called party and adapted to be connected to the communication network; a feature recognition unit connected to the communication station for obtaining first information from the at least one machine recognizable feature; a storage device for storing a plurality of announcements; and a ringback update system connected to the storage device for modifying the plurality of announcements, wherein the communication station or the feature recognition unit transmits the first information to the ringback update system, via the communication network, upon receiving the first information, and wherein the ringback update system automatically, without user intervention, modifies the storage device to store at least one announcement associated with the first information in response to receiving the first information.