×

Hardened VoIP system

  • US 10,298,384 B2
  • Filed: 08/06/2018
  • Issued: 05/21/2019
  • Est. Priority Date: 12/16/2016
  • Status: Active Grant
First Claim
Patent Images

1. A system for providing hardened VoIP and land mobile radio communication services to mobile devices, the system comprising:

  • a controller configuredin a first standby state toreceive via a cellular communications systema first heartbeat signal from a first mobile device anda second heartbeat signal from a second mobile device,transmit via the cellular communications systema first status control signal to the first mobile device anda second status control signal to the second mobile device, andmaintain a database witha first identifier associating the first mobile device with the cellular communications system anda second identifier associating the second mobile device with the cellular communications system;

    in a second standby state toreceive via the cellular communications systemthe second heartbeat signal from the second mobile device,transmit via the cellular communications systemthe second status control signal to the second mobile device,monitor a channel of a land mobile radio system associated with the first mobile device, andmaintain the database withthe first identifier associating the first mobile device with the land mobile radio system andthe second identifier associating the second mobile device with the cellular communications system; and

    to transition from the second standby state to the first standby state upon receiving the heartbeat signal from the first mobile device.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×