| 摘要 |
The present invention relates to a method for intercepting a connection established in a communication network system between a called terminal (B) and a calling terminal (A), said network system comprising at least two communication networks (HPLMN, VPLMN) having an interface towards each other, said called terminal (B) being registered to a subscriber database entity (HLR, HSS) of one of said communication networks (HPLMN) while being located in another one (VPLMN) of said communication networks, the method comprising the steps of: initiating a connection establishment from said calling terminal (A) towards said called terminal (B), requesting, during connection establishment, said subscriber database entity (HLR, HSS) to which said called terminal (B) is registered, for subscriber related information, detecting that said requested information contains an indication that connections to said called subscriber (B) are to be intercepted, and tapping the established connection between the called (B) and calling terminal (A) at the interface between said networks.
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