×

Network address and port translation gateway with real-time media channel management

  • US 20050117605A1
  • Filed: 11/28/2003
  • Published: 06/02/2005
  • Est. Priority Date: 07/22/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. A gateway for exchanging IP frames with remote IP devices over a communication link to a frame switched network, the gateway comprising:

  • a wide area network interface coupled to the communication link for exchanging the IP frames with the remote IP devices;

    a local area network interface for receiving outbound IP frames from each of a plurality of IP clients, each outbound IP frame comprising a local IP header and payload;

    the IP header comprising;

    an IP client socket comprising a client IP address and a client port number of the IP client; and

    a destination socket comprising a remote device IP address and a port number of a remote IP device; and

    a router module coupled between the local area network interface and the wide area network interface, the router module receiving each outbound IP frame from the local area network interface and providing a corresponding translated outbound IP frame to the wide area network interface;

    the translated outbound IP frame comprising a translated IP client socket comprising a gateway IP address and a global port number of the gateway that uniquely associates with the IP client socket and;

    the payload if the outbound IP frame is a data frame; and

    translated payload if the outbound IP frame is a media session signaling frame.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×