IP voice call surveillance through use of non-dedicated IP phone with signal alert provided to indicate content of incoming call prior to an answer as being a monitored call
First Claim
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1. A method of monitoring an Internet protocol call in a network comprising:
- determining if the Internet protocol call between a first communication device and a second communication device is to be monitored;
locating an Internet protocol address of a third communication device and an identifier associated with one of the first communication device or the second communication device; and
sending at least one data packet including an alert signal to an Internet protocol gateway serving the third communication device based on locating the Internet protocol address of the third communication device, the at least one data packet being associated with the Internet protocol call,wherein the third communication device is configured to be inactive until the first communication device and the second communication device of the Internet protocol call are connected and active.
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Abstract
Surveillance of IP telephony may be performed through the use of conventional telephone equipment, according to principles of the invention while preventing giving indication to the monitored phone by alerting the user of the monitoring phone to such surveillance use prior to pick up by an agent for engagement of the monitoring phone in response to the alert. Such alerts may assume many forms such as ringing, visual indicators, data readouts, activating ancillary equipment, various flags, etc. This alert prior to surveillance is distinct from alerts used for normal non-surveillance calls, which the monitoring phone is capable of receiving.
19 Citations
16 Claims
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1. A method of monitoring an Internet protocol call in a network comprising:
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determining if the Internet protocol call between a first communication device and a second communication device is to be monitored; locating an Internet protocol address of a third communication device and an identifier associated with one of the first communication device or the second communication device; and sending at least one data packet including an alert signal to an Internet protocol gateway serving the third communication device based on locating the Internet protocol address of the third communication device, the at least one data packet being associated with the Internet protocol call, wherein the third communication device is configured to be inactive until the first communication device and the second communication device of the Internet protocol call are connected and active. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of monitoring an Internet protocol call in a network comprising:
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storing a list of communication devices, the list comprising communication devices under surveillance; detecting when an Internet protocol call is initiated by a call-initiating communication device to a target communication device in the network; determining if the target communication device is on the list of communication devices under surveillance; locating an Internet protocol address of a monitoring communication device; and sending an alert signal to an Internet protocol gateway serving the monitoring communication device; wherein the alert signal indicates an existence of the Internet protocol call and a monitoring purpose to be performed, wherein the monitoring communication device is configured to be inactive until parties of the Internet protocol call are connected and active. - View Dependent Claims (9, 10, 11, 12)
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13. An apparatus for monitoring an Internet protocol call in a network comprising:
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a storage device configured to store a list of identifiers associated with communication devices to be monitored; and a processor configured to detect when an Internet protocol call is initiated by a call-initiating communication device to a target communication device in the network, to determine if the Internet protocol call is to be monitored, and to send an alert signal to an Internet protocol gateway, based on an Internet protocol address location of a monitoring communication device, the Internet protocol gateway being associated with the monitoring communications device, wherein the alert signal indicates an existence of the Internet protocol call and a monitoring purpose to be performed. - View Dependent Claims (14, 15, 16)
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Specification