Patent ID: 8532089

Claim:
A method comprising: receiving, by a first computer device associated with a Voice over Internet Protocol (VoIP) network, information associated with a call from a calling party to a VoIP subscriber; generating, by the first computer device and based on the information associated with the call, a Session Initiation Protocol (SIP) subscribe message, the SIP subscribe message including: first information requesting a call intercept service, and second information identifying one or more of the calling party or the VoIP subscriber; forwarding, by the first computer device, the SIP subscribe message to a second computer device associated with a circuit switched network that differs from a VoIP network associated with the VoIP subscriber, the second computer device generating, based on the first information and the second information, a query for third information associated with invoking the call intercept service with respect to at least one of the calling party or the VoIP subscriber; receiving, by the first computer device and from the second computer device, a SIP notify message, the SIP notify message including: the third information, fourth information indicating whether the VoIP subscriber subscribes to the call intercept service, fifth information indicating whether the call intercept service is activated for the VoIP subscriber with respect to the calling party, and a routing number for a third computer device associated with the VoIP network; providing, by the first computer device and to the VoIP subscriber, the one or more call handling options available with respect to the calling party; receiving, by the first computer device and from the VoIP subscriber, a response that includes a selection from the one or more call handling options; and processing, by the first computer device, the call based on the response, processing the call including: forwarding, based on the routing number, the call and information associated with the selection of one of the one or more call handling options to the third computer device.