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Temporary local number assignment

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  • Publication Date:
    January 14, 2025
  • Additional Information
    • Patent Number:
      12200,818
    • Appl. No:
      17/692046
    • Application Filed:
      March 10, 2022
    • Abstract:
      Systems, methods, and devices that relate to enabling roaming users to use various communication services by assigning temporary local numbers are disclosed. In one example aspect, a method for wireless communication includes entering a visited network by a roaming device. The roaming device has a primary number associated with its home network. The method includes requesting a local number associated with the visited network by the roaming device and performing a communication using the local number associated with the visited network.
    • Inventors:
      T-Mobile USA, Inc. (Bellevue, WA, US)
    • Assignees:
      T-Mobile USA, Inc. (Bellevue, WA, US)
    • Claim:
      1. A system for managing a temporary local number assigned to a roaming mobile device, comprising: a first network node configured to assign the temporary local number to the roaming mobile device according to a policy, wherein the temporary local number is selected from a pool of reserved local numbers, and wherein the policy specifying that local numbers in the pool of reserved local numbers that have been used in a predetermined time duration are not available for the assigning; and a first database in communication with the first network node, the first database configured to store a mapping between a roaming number of the roaming mobile device and the temporary local number assigned to the roaming mobile device.
    • Claim:
      2. The system of claim 1 , wherein the temporary local number is associated with a timestamp, and wherein the first network node is configured to update the timestamp upon the temporary local number being used by the roaming mobile device.
    • Claim:
      3. The system of claim 1 , wherein the policy further specifies that the roaming number of the roaming mobile device has a one-to-one correspondence with the temporary local number.
    • Claim:
      4. The system of claim 1 , wherein the policy further specifies that a default validity period for the temporary local number.
    • Claim:
      5. The system of claim 1 , further comprising: a second database configured to store the pool of reserved local numbers.
    • Claim:
      6. The system of claim 1 , wherein the first network node and the first database are in communication via a gateway node.
    • Claim:
      7. The system of claim 1 , wherein the roaming number of the roaming mobile device is a primary number in a home network of the roaming mobile device, and wherein the temporary local number is assigned to the roaming mobile device upon the roaming mobile device registering as a foreign device in a visited network.
    • Patent References Cited:
      2006/0205404 September 2006 Gonen
      2007/0167167 July 2007 Jiang
      2010/0085937 April 2010 Pressley et al.
      2011/0026463 February 2011 Lair
      2013/0201933 August 2013 Dennert
      2013/0217396 August 2013 Geffner
      2016/0295393 October 2016 Speks
    • Other References:
      International Searching Authority, International Search Report and Written Opinion, PCT Patent Application PCT/US2023/064090, mailed Jun. 21, 2023, 10 pages. cited by applicant
    • Primary Examiner:
      Vu, Michael T
    • Attorney, Agent or Firm:
      Perkins Coie LLP
    • Accession Number:
      edspgr.12200818