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Network based distributed PBX system

  • US 5,742,596 A
  • Filed: 12/14/1995
  • Issued: 04/21/1998
  • Est. Priority Date: 11/12/1995
  • Status: Expired due to Term
First Claim
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1. A personal computer based private branch exchange system distributed across a packet based network, comprising:

  • a plurality of telephony clients coupled to said network, each telephone client coupled to said network via a network interface card and adapted to interface to a standard analog telephone set;

    at least one telephony server coupled to said network, said telephony server for providing centralized call switching capabilities to said plurality telephony clients, communications within said system realized through the transfer of packets over said network wherein said packets contain voice data, said packets containing voice data originating within said system having a priority equal to packets containing non-voice data on said network, said at least one telephony server operative to provide call setup, status monitoring and tear down functions for calls placed by said plurality of telephony clients; and

    a system administrator coupled to said network said system administrator for providing management and administration capabilities to said system.

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