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Packet telephony appliance

  • US 6,826,177 B1
  • Filed: 06/15/2000
  • Issued: 11/30/2004
  • Est. Priority Date: 06/15/1999
  • Status: Expired due to Term
First Claim
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1. A packet telephony appliance, comprising:

  • network processor that integrates networking and DSP functions, the network processor having a serial input port, a serial output port and a network interface;

    an output device coupled to the serial output port;

    an input device coupled to the serial input port; and

    a network coupled to the network interface, wherein the packet telephony appliance implements a unified buffering mechanism that provides zero-copy data movement, and wherein the packet telephony appliance implements an event-based mechanism for intra-appliance communication.

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