×

Extension of a local area phone system to a wide area network with handoff features

  • US 8,005,070 B2
  • Filed: 05/27/2005
  • Issued: 08/23/2011
  • Est. Priority Date: 03/12/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • receiving, by a softswitch, a vicarious call initiation comprising a Hypertext Transfer Protocol post message from a wireless device over a data-bearing path of a cellular communication system, wherein the vicarious call initiation includes an identifier of a remote party device;

    receiving, by the softswitch, a cellular call initiation message from the wireless device over a voice-bearing path of the cellular communication system, wherein the cellular call initiation message is directed to the wireless device, and the voice-bearing path is different than the data-bearing path;

    correlating, by the softswitch, the vicarious call initiation with the cellular call initiation message to establish a connection over the voice-bearing path of the cellular communication system; and

    receiving, by the softswitch, a feature request for the established connection, wherein the feature request is received over the data-bearing path of the cellular communication system.

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