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Method of providing 911 service to a private branch exchange

  • US 8,600,010 B2
  • Filed: 05/31/2011
  • Issued: 12/03/2013
  • Est. Priority Date: 08/21/2000
  • Status: Expired due to Fees
First Claim
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1. A private branch exchange, comprising:

  • a memory having machine readable instructions; and

    a processor which, when executing the instructions, performs operations comprising;

    selecting a first outgoing telephone line for an emergency call to a public safety answering point when the emergency call is from one of a first group of numbers, wherein the first group of numbers is assigned to the first outgoing telephone line and wherein the public safety answering point identifies a first location when receiving the emergency call over the first outgoing telephone line; and

    selecting a second outgoing telephone line for the emergency call when the emergency call is from one of a second group of numbers, wherein the second group of numbers is assigned to the second outgoing telephone line and wherein the public safety answering point identifies a second location when receiving the emergency call over the second outgoing telephone line.

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