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Efficient communication through networks

DC CAFC
  • US 7,724,879 B2
  • Filed: 08/24/2007
  • Issued: 05/25/2010
  • Est. Priority Date: 10/11/1994
  • Status: Expired due to Fees
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First Claim
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1. A method for communication between two access devices via one or more networks, comprising the steps:

  • receiving a transmission in a first format through a first communication network from a first access device, the first format comprising a telecommunication protocol for establishing and transmitting voice communication for a phone call in one of a digital telephone network, an analog telephone network, and a cellular network;

    performing a first conversion converting the transmission from the first format to a second format, the second format being an internet protocol;

    sending the converted transmission through a second communication network, the second communication network being a data network, for reception by a second access device; and

    performing a second conversion further converting the converted transmission from the second format to a further format suitable for the second access device, wherein the first access device and the second access device comprise telecommunication nodes, and said further format comprises said first format or another telecommunication protocol.

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  • 3 Assignments
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    U.S. District CourtU.S. Court of Appeals for the Federal Circuitinvolving electronic purses or money safesRouting or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIPReal-time negotiation between users and providers or operatorsLeast cost routingLeast cost routing, i.e. provision for selecting the lowest cost tariffOn line or real-time flexible agreements between service providers and telecoms operatorsLeast cost routing, e.g. Automatic or manual, call by call or by preselectionArrangements for calling back a calling subscriber when the wanted subscriber ceases to be busy H04M3/48Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42Call setupPIN / Access code, authenticationMobile subscriberMemoryLeast cost routing, LCRCallbackFault preventionBusy signalsProtocolsAsynchronous transfer mode, ATMLAN, internetArrangements providing connection between exchanges