Method of Routing a Call Made to a Fixed Telephone Number of a UMA-Subscriber in a Telecommunication Network
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Abstract
The invention relates to a method of routing a call made to a fixed telephone number of a UMA-subscriber in a telecommunication network. A service control entity stores a so-called ‘near list’ comprising a cell identifier of each cell overlapping a WLAN coverage area of a WLAN AP associated with the UMA-subscriber. The service control entity also receives location information of the UMA-subscriber from a switching node (2) or from a location server (16). If the cell identifier of the serving cell is in the near list, the service control entity prompt the caller to select out of a list of options. If the cell identifier of the serving cell is not in the near list, the caller will be prompted but with a different message and with different options to select. The caller is for example offered the opportunity to wait for the called party to arrive at home, and be dialed back.
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Citations
17 Claims
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1-9. -9. (canceled)
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10. A method of routing a call made to a fixed telephone number of a UMA-subscriber in a telecommunication network that comprises a switching node, a location server and an intelligent network, the intelligent network comprising a service control entity, said method comprising said service control entity:
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storing a list associated with said UMA-subscriber, said list comprising a cell identifier (CI) of each cell overlapping a WLAN coverage area of a WLAN AP associated with said UMA-subscriber; receiving a trigger message from said switching node, said trigger message comprising said fixed number of said UMA-subscriber; receiving location information of said UMA-subscriber from said switching node or from said location server, said location information comprising a cell identifier of a cell serving said UMA-subscriber; and performing a first action if said cell identifier of said serving cell is in said list, and a second action, different from said first action, if said cell identifier of said serving cell is not in said list; wherein said first action comprises; checking if the UMA-subscriber is currently in said WLAN coverage area of said WLAN AP associated with said UMA-subscriber; and if the result of said checking is affirmative, connecting the call to said UMA-subscriber via said WLAN AP;
orif the result of said checking is negative, sending a calling party making the call a message indicating that the UMA-subscriber is currently in at least one of the cells of said list but not in said WLAN coverage area. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A service control entity for providing intelligent network services to users of a mobile telecommunications network, said mobile telecommunications network comprising a switching node and a location server, said service control entity being connectable to said switching node and to said location server, and said service control entity comprising a processing unit, an input unit connected to the processing unit and an output unit connected to the processing unit, wherein the processing unit is arranged to:
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store a list associated with said UMA-subscriber, said list comprising a cell identifier, CI, of each cell overlapping a WLAN coverage area of a WLAN AP associated with said UMA-subscriber; receive a trigger message from said switching node, said trigger message comprising a fixed number of said UMA-subscriber; receive location information of said UMA-subscriber from said switching node or from said location server, said location information comprising a cell identifier of a cell serving said UMA-subscriber; and perform a first action if said cell identifier of said serving cell is in said list, and a second action, different from said first action, if said cell identifier of said serving cell is not in said list; wherein said first action comprises; checking if the UMA-subscriber is currently in said WLAN coverage area of said WLAN AP associated with said UMA-subscriber; and if the result of said checking is affirmative, connecting the call to said UMA-subscriber via said WLAN AP;
orif the result of said checking is negative, sending a calling party making the call a message indicating that the UMA-subscriber is currently in at least one of the cells of said list but not in said WLAN coverage area. - View Dependent Claims (17)
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Specification