LAWFUL INTERCEPTION TARGET APPARATUS, LAWFUL INTERCEPTION APPARATUS, LAWFUL INTERCEPTION SYSTEM AND LAWFUL INTERCEPTION METHOD

摘要

A lawful interception apparatus, a lawful interception target apparatus and a lawful interception system are provided. If a lawful interception target apparatus accesses a new communication network which has no lawful interception authority, the lawful interception apparatus receives intercept activation information from the lawful interception target apparatus through a communication network which has a lawful interception authority. The lawful interception apparatus performs seamless lawful interception on the lawful interception target apparatus by use of the received intercept activation information.