1. A method for restricting access to a public communications network using a telephone call management system, the method comprising the steps of: assigning a unique first identification number to a potential caller; recording a first voice print of the potential caller; storing the first voice print in association with the first identification number in a database; during an attempt to access the public communications network by the potential caller: prompting the potential caller to input a second identification number; first comparing the second identification number to the first identification number; first determining that the first identification number and second identification number match based on the first comparing; in response to the first determining: recording a second voice print of the potential caller; retrieving the first voice print from the database based on the association between the first voice print and the first identification number in the database; second comparing the second voice print with the first voice print; second determining that the first voice print matches the second voice print based on the second comparing; and in response to the second determining, granting the potential caller access to the public communications network; establishing a telephone call between the potential caller and a remotely located party; monitoring the telephone call to detect a presence of a three-way call attempt; third determining whether recording of the telephone call is permissible; recording, or not recording, the telephone call based on the third determining; and detecting a presence of predetermined keywords in audio of the telephone call.