a method , system and computer program for assisting law enforcement surveillance of a telephone call in accordance with the requirements of is presented . the method includes , but is not limited to , the steps of : receiving an indication of a call that is placed with a pre - identified telephonic unit that uses an internet packet protocol for transmission , wherein the pre - identified telephonic unit has been selected for telephone call surveillance ; converting the call into a converted call that is in analog form ; and redirecting the converted call to an analog switching station that is capable of performing surveillance of the call .