Method of providing 911 service to a private branch exchange
First Claim
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1. A method, comprising:
- in response to receiving a first emergency call at a private branch exchange from a first device having a first number belonging to a first group of numbers that are grouped based on a first shared origination location, selecting, via a logic circuit at the private branch exchange, a first outgoing telephone line assigned to the first group of numbers for the first emergency call, wherein a public safety answering point to which the first emergency call is directed identifies the first shared origination location based on receiving the first emergency call from the first outgoing telephone line; and
in response to receiving a second emergency call at the private branch exchange from a second device having a second number belonging to a second group of numbers that are grouped based on a second shared origination location, selecting, via the logic circuit, a second outgoing telephone line assigned to the second group of numbers for the second emergency call, wherein the public safety answering point to which the second emergency call is directed identifies the second shared origination location based on receiving the second emergency call from the second outgoing telephone line.
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Abstract
A method of providing 911 service to a private branch exchange, includes grouping a plurality of private telephone numbers into a set. An outgoing telephone line for a 911 call is assigned to the set. A location information for the outgoing telephone line is input into a location database.
29 Citations
20 Claims
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1. A method, comprising:
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in response to receiving a first emergency call at a private branch exchange from a first device having a first number belonging to a first group of numbers that are grouped based on a first shared origination location, selecting, via a logic circuit at the private branch exchange, a first outgoing telephone line assigned to the first group of numbers for the first emergency call, wherein a public safety answering point to which the first emergency call is directed identifies the first shared origination location based on receiving the first emergency call from the first outgoing telephone line; and in response to receiving a second emergency call at the private branch exchange from a second device having a second number belonging to a second group of numbers that are grouped based on a second shared origination location, selecting, via the logic circuit, a second outgoing telephone line assigned to the second group of numbers for the second emergency call, wherein the public safety answering point to which the second emergency call is directed identifies the second shared origination location based on receiving the second emergency call from the second outgoing telephone line. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A tangible machine readable storage device including instructions which, when executed, cause a machine to perform operations comprising:
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in response to receiving a first emergency call at a private branch exchange from a first device having a first number belonging to a first group of numbers that are grouped based on a first shared origination location, selecting a first outgoing telephone line assigned to the first group of numbers for the first emergency call, a public safety answering point to which the first emergency call is directed to identify the first shared origination location based on receiving the first emergency call from the first outgoing telephone line; and in response to receiving a second emergency call at the private branch exchange from a second device having a second number belonging to a second group of numbers that are grouped based on a second shared origination location, selecting a second outgoing telephone line assigned to the second group of numbers for the second emergency call, the public safety answering point to which the first emergency call is directed to identify the second shared origination location based on receiving the second emergency call from the second outgoing telephone line. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus, comprising:
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memory including machine readable instructions; and a processor which, when executing the instructions, performs operations including; in response to receiving a first emergency call at a private branch exchange from a first device having a first number belonging to a first group of numbers that are grouped based on a first shared origination location, selecting a first outgoing telephone line assigned to the first group of numbers for the first emergency call, a public safety answering point to which the first emergency call is directed to identify the first shared origination location based on the first emergency call being received from the first outgoing telephone line; and in response to receiving a second emergency call at the private branch exchange from a second device having a second number belonging to a second group of numbers that are grouped based on a second shared origination location, selecting a second outgoing telephone line assigned to the second group of numbers for the second emergency call, the public safety answering point to which the second emergency call is directed to identify the second shared origination location based on receiving the second emergency call being received from the second outgoing telephone line. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification