| 摘要 |
The present invention discloses a method for roaming detection and a third party entity for implementing the same. The method includes: when a roaming of a user happens, the Visited Location Register, VLR, of the user sending a registration notification request message to a third party entity; the third party entity forwarding the registration notification request message to the Home Location Register, HLR, of the user, obtaining user identification information and VLR identification information from the registration notification request message, judging the roaming situation according to the user identification information and the VLR identification information, and recording the result of the judgment, the user identification information and the VLR identification information; when the third party entity receives a registration notification response message from the HLR, the third party entity judging whether the registration notification response message corresponds to the registration notification request message; and if the result of the judgment is yes, and if the registration notification response message shows that the registration succeeds, the third party entity trigging the roaming service according to the user identification information. |
