Back to results
US 2003/0169855 A1Published application
Method of providing 911 service to a private branch exchange
AssigneeAmeritech Corporation
InventorsJohn Joseph Savaglio, Richard Bruce Fowier
Life of this patent
Estimating the term…
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.
Claims18
A method of providing 911 service to a private branch exchange, comprising the steps of:
- a) grouping a plurality of private telephone numbers into a set;
- b) assigning an outgoing telephone line for a 911 call to the set;
- and
- c) inputting a location information for the outgoing telephone line in a location database.
1 more element
A method of providing 911 service to a private branch exchange, comprising the steps of:
- a) receiving a 911 call at a private switch;
- b) determining a dialing telephone number;
- c) looking up an associated outgoing telephone line;
- and
- d) placing the 911 call over the associated outgoing telephone line.
2 more elements
A method of providing 911 service to a private branch exchange, comprising the steps of:
- a) grouping a first plurality of private telephone numbers into a first set;
- b) grouping a second plurality of private telephone numbers into a second set;
- c) assigning one of a plurality of outgoing telephone lines to the first set;
- d) assigning a second of the plurality of outgoing telephone lines to the second set;
- e) programming a location database to include a location for the one of the plurality of outgoing telephone lines;
- f) programming the. location database to include a second location for the second of the plurality of outgoing telephone lines;
- g) receiving a 911 call at a private switch;
- h) determining a dialing telephone number;
- i) determining if the dialing telephone number belongs in the first set or the second set;
- and
- j) when the dialing telephone number belongs in the first set, placing the 911 call over the one of the plurality of outgoing telephone lines.
8 more elements
Dependencies are inferred from the claim text.