SYSTEM AND METHOD FOR ROUTING SPECIAL NUMBER CALLS FROM A DUAL-MODE WIRELESS COMMUNICATIONS DEVICE OPERATING IN THE UNLICENSED MODE
First Claim
1. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
- receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point;
delivering said special number call to a mobile switching center (MSC);
determining a parameter for routing said special number call; and
routing said special number call through a network to a special number answering point based on said parameter.
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Accused Products
Abstract
A system and method that routes special number calls from a calling dual-mode wireless communications device when operating in an unlicensed network to a special number answering point based on one or more parameters. In accordance with one aspect of this invention, the parameter comprises the location of the access point that the calling wireless communications device is in communication with. In accordance with another aspect of this invention, an unlicensed media access (UMA) network controller (UNC) connected to a GSM switching system stores the location of each access point to which it is attached. Advantageously, the location information is stored in X/Y coordinate format or location shape format.
45 Citations
40 Claims
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1. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
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receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point; delivering said special number call to a mobile switching center (MSC); determining a parameter for routing said special number call; and routing said special number call through a network to a special number answering point based on said parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
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receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point; delivering said special number call to a mobile switching center (MSC); querying a mobile location center (MLC) for routing instructions; determining a parameter for routing said special number call by the MLC, which passes said parameter to said MSC; and routing said special number call through a network to a special number answering point based on said parameter. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
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receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point; querying an unlicensed position center (UPC) by said UNC with an identification of said access point and receiving a pseudo-telephone number responsive thereto; delivering said special number call to a mobile switching center (MSC) with said pseudo-telephone number as a calling telephone number; querying a mobile location center (MLC) for routing instructions using the pseudo-telephone number; determining a parameter for routing said special number call by the MLC using said pseudo-telephone number and passing said parameter to said MSC; and routing said special number call through a network to a special number answering point based on said parameter. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
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receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point; delivering said special number call to a mobile switching center (MSC); forwarding said special number call, the calling mobile directory number (MDN) and an identification of said access point to an emergency services network; and routing said special number call through said emergency services network to a special number answering point based on a parameter determined in said emergency services network. - View Dependent Claims (33, 34, 35)
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36. A method for routing special number calls from a calling dual-mode wireless communications device operating in an unlicensed network to a special number answering point comprising:
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receiving a special number call at an unlicensed media access (UMA) network controller (UNC) from an access point; delivering said special number call to a mobile switching center (MSC); querying a mobile location center (MLC) for routing instructions by sending an SLR message containing an identification of said access point and the mobile directory number; determining a parameter for routing said special number call by the MLC based on said identification of said access point, which passes said parameter to said MSC; and routing said special number call through a network to a special number answering point based on said parameter. - View Dependent Claims (37, 38, 39, 40)
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Specification