Call-content determinative selection of interception access points in a soft switch controlled network
First Claim
Patent Images
1. A method for intercepting a plurality of components of the content of a call transiting a telecommunications network, comprising:
- identifying, for each component, a network device through which that component passes; and
intercepting the components at the respective identified network devices.
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Accused Products
Abstract
By selecting access points specific to the various components of call-content of a call, a monitoring agency is ensured of obtaining the call-content of each participant in telephone call irrespective of call transfers and network reconfiguration. Devices in the telecommunications system such as network devices can provide appropriate access. Examples of suitable network devices may include gateway, an access gateways, trunk gateways, portals, ATM switches, routers, and border elements.
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Citations
22 Claims
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1. A method for intercepting a plurality of components of the content of a call transiting a telecommunications network, comprising:
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identifying, for each component, a network device through which that component passes; and
intercepting the components at the respective identified network devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for intercepting one or more components of the call content of subscribers participating in a call over a telecommunications network, comprising:
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associating at least one subscriber with at least one network device not accessible to the subscriber, where the network device is controlled by a switch and is a gateway, an access gateway, a trunk gateway, a portal, an ATM switch, a router, a network edge device, or a border element;
identifying, for each component, a network device through which the component will pass irrespective of a transfer or a reconfiguration of the call or a portion of the call;
intercepting the components at the respective identified network devices; and
conveying at least one component to a law enforcement agency.
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11. A system for intercepting a plurality of components of the content of a call transiting a telecommunications network, comprising:
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means for identifying, for each component, a network device through which that component passes; and
a bearer path connection at each identified network device for intercepting the component. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system for intercepting one or more components of the call content of subscribers participating in a call over a telecommunications network, comprising:
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at least one network device with which a subscriber has been associated, where the network device is not accessible to the subscriber and responsive to a switch, and where the network device is a gateway, an access gateway, a trunk gateway, a portal, an ATM switch, a router, a network edge device, or a border element;
means for identifying, for each component, a network device through which the component will pass irrespective of a transfer or a reconfiguration of the call or a portion of the call;
a bearer path connection at each identified network device for intercepting the component; and
at least one bearer path connected to the bearer path connection for conveying the component to at least one law enforcement agency.
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21. An apparatus for intercepting a component of the call content of a subscriber participating in a call over a telecommunications network, comprising:
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at least one network device with which a subscriber has been associated, where the network device is not accessible to the subscriber and responsive to a switch, and where the network device is a gateway, an access gateway, a trunk gateway, a portal, an ATM switch, a router, a network edge device, or a border element;
means for identifying, for each component, a network device through which the component will pass irrespective of a transfer or a reconfiguration of the call or a portion of the call;
a bearer path connection at each identified network device for intercepting the component; and
at least one bearer path connected to the bearer path connection for conveying the component to at least one law enforcement agency.
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22. A system for intercepting a call over a telecommunications network, comprising:
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a plurality of network devices through which said call passes; and
a bearer path connection at each of said plurality of network devices for intercepting said call.
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Specification