Lawful interception of redirected calls
US12401742B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2023 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1104
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
According to an example aspect of the present invention, there is provided an apparatus comprising at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to function as a point of interception in an application server or border control function of a communication network, receive an incoming protocol message requesting initiation of a call, transmit an outgoing protocol message to advance initiation of the call, and receive a cryptographic token comprising a cryptographically signed identity of a caller initiating the call, and transmit a lawful interception message comprising information on the call to a lawful interception party as a response to at least one trigger being fulfilled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.