Abstract: A method for providing a virtual multi-line (VML) telephone service includes associating first and second telephone numbers with a telephone, such that the first telephone number is subject to a first billing scheme and the second number is subject to a second billing scheme. A control code is transmitted from the telephone to a network switch, indicating a choice of one of the first and second telephone numbers. Upon receiving a request to connect a call from the telephone to a destination number, the call is connected using one of the first and second telephone numbers while applying one of the first and second billing schemes to the call in accordance with the choice indicated by the control code.

Abstract: A method for providing a virtual service switching function includes receiving a first message from a switch in a telephone network indicative of initiation of a call, the first message including a service parameter that is applicable to the call. Responsively to the service parameter, first and second service control points (SCPs) are invoked to provide respective first and second services in relation to the call. A second message is sent to the switch, in response to the first message, instructing the switch to carry out the call using at least one of the first and second services.

Abstract: A method for collecting information from a user of a telephone includes receiving a request at a switch in a telephone network to open a voice call from the telephone to a specified telephone number. Responsively to the request, a voice call is initiated by opening a first leg of a connection from the switch to the telephone, and a second leg of the connection from the switch to a peripheral device. The second leg is disconnected after initiating the voice call, while leaving the first leg of the connection open. After disconnecting the second leg, signals are received over the first leg of the connection responsively to one or more keystrokes made by the user on the keypad of the telephone.