×

Hybrid packet-switched and circuit-switched telephony system

  • US 8,780,890 B2
  • Filed: 12/19/2008
  • Issued: 07/15/2014
  • Est. Priority Date: 12/20/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method comprising:

  • receiving, by a first gateway device, a destination address of a called device, the destination address being received from a calling device associated witha first circuit-switched network;

    transmitting, by the first gateway device and based on receiving the destination address, a connection request to a second gateway device over a packet-switched network,the second gateway device being connected to the called device through a second circuit-switched network using the destination address;

    establishing, by at least one of the first gateway device or the second gateway device, a call connection between the calling device and the called device through the first circuit-switched network, the packet-switched network, and the second circuit-switched network based on billing information received via out-of-band signaling,data related to the call connection being routed through the packet-switched network;

    storing, by one or more of the first gateway device or the second gateway device, packets received from the packet-switched network,the packets being related to the call connection; and

    rearranging, by the one or more of the first gateway device or the second gateway device, the stored packets to maintain a packet order for the call connection.

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