A method for controlling subscription services delivered to a user by an
Internet Service Provider (ISP) coupled to an Automated
Intelligent Network (AIN) telephone
system with at least one central office switching
system. An intelligent
peripheral subsystem is connected to the central office switching
system, via a call connection channel. The intelligent
peripheral subsystem providing at least one auxiliary call
processing capability via the call connection channel and provides a
telephony speaker
authentication method for selectively authorizing updates to user subscription services types provided by the ISP, wherein each of the subscription services types include one or more service options. The method for controlling subscription services including: a) prompting for a voice response; b) authenticating a user'
s voice response pattern by performing a speaker-dependent
cepstrum matching
algorithm with previously stored samples of the user'
s voice response, and if the user'
s voice response pattern is positively authenticated with previously stored samples, then performing the steps of: c) presenting a menu of user subscription types, each with available AIN service options; and d) responding to a user selection of at least one user subscription types, each with service option, by activating a service option selected by the user, wherein the service option is governed by said ISP by regulating one or more
Uniform Resource Locator (URL) addresses received by a user subscriber device from said ISP over a telecommunication line.