| 摘要 |
A method and apparatus for obtaining the position of a calling subscriber terminal ( 400 ) connected to a fixed IP access network ( 402 ) at an end point. A Location Information Component LIC ( 404 ) including a radio receiver ( 404 a) is placed in the vicinity of the end point to represent the position of the terminal. Broadcasted mobile network signals or satellite navigation signals are received, and position-related information is derived from the signals and added to a data stream (A<SUB>1</SUB>) from the terminal, before sending the stream over the IP access network. A centrally arranged Location Information Aggregator LIA ( 408 ) then receives the modified data stream (A<SUB>2</SUB>), extracts the position-related information, and associates location information on the terminal with a network address of the end point or an identity of the terminal. Thereby, reliable location information can be obtained for calling terminals to be available to a called party or used application. |
