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Method and system for facilitating increased call traffic by reducing signaling load in an emergency mode

  • US 6,650,619 B1
  • Filed: 03/17/1999
  • Issued: 11/18/2003
  • Est. Priority Date: 03/17/1999
  • Status: Expired due to Fees
First Claim
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1. In a packet switched telephony system including a signaling subsystem operable to perform a plurality of call-setup functions for each of a plurality of call requests, said call-setup functions cooperatively defining a signaling workload associated with each of said plurality of call requests, a method comprising in combination:

  • identifying a state of congestion in said telephony system; and

    responsively modifying said signaling subsystem to reduce said signaling workload associated with each of at least a plurality of said call requests, wherein said telephony system includes a gateway/terminal and a signaling server, said gateway/terminal receiving call requests and responsively transmitting a number of signaling request messages to said signaling server, wherein modifying said signaling subsystem comprises switching to a mode in which said gateway/terminal does not transmit authorization messages to said signaling server.

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