Method for determining termination of an emergency service call
First Claim
1. A method for determining termination of an emergency service call;
- said emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said emergency service call;
the method comprising;
(a) receiving a first signal from said emergency service network at said locating unit establishing to said locating unit existence of said emergency service call;
(b) monitoring arrival of subsequent query signals relating to said geographic origin arriving at said locating unit from said emergency service answering entity after receiving said first signal;
each respective said subsequent query signal soliciting a responsive signal from said locating unit relating to said geographic origin;
(c) if a respective said subsequent query signal is received by said locating unit, within a first predetermined time interval, considering that said emergency service call is not terminated; and
(d) if no respective said subsequent query signal is received by said locating unit, within a second predetermined time interval, considering that said emergency service call is terminated.
12 Assignments
0 Petitions
Accused Products
Abstract
A method for determining termination of an emergency service call; the emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for the emergency service call; the method including: (a) presenting a query signal from the emergency service answering entity during the emergency service call soliciting a responsive signal from the locating unit relating to the geographic origin; (b) if the query signal relating to the geographic origin is received by the locating unit, considering that the emergency service call is not terminated; and (c) if no query signal relating to the geographic origin is received by the locating unit, considering that the emergency service call is terminated.
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Citations
20 Claims
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1. A method for determining termination of an emergency service call;
- said emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said emergency service call;
the method comprising;(a) receiving a first signal from said emergency service network at said locating unit establishing to said locating unit existence of said emergency service call; (b) monitoring arrival of subsequent query signals relating to said geographic origin arriving at said locating unit from said emergency service answering entity after receiving said first signal;
each respective said subsequent query signal soliciting a responsive signal from said locating unit relating to said geographic origin;(c) if a respective said subsequent query signal is received by said locating unit, within a first predetermined time interval, considering that said emergency service call is not terminated; and (d) if no respective said subsequent query signal is received by said locating unit, within a second predetermined time interval, considering that said emergency service call is terminated. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- said emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said emergency service call;
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8. A method for determining whether a previously in-progress emergency service call is extant;
- said previously in-progress emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said previously in-progress emergency service call;
the method comprising;(a) monitoring a plurality of subsequent query signals at said locating unit from said emergency service answering entity;
said subsequent query signals arriving at said locating unit after said locating unit receives a first signal establishing to said locating unit existence of said in-progress emergency service call;
each said subsequent query signal soliciting a responsive signal from said locating unit relating to said geographic origin;(b) if a respective said subsequent query signal is received by said locating unit, within a first predetermined time interval, considering that said previously in-progress emergency service call is extant; and (c) if no respective said subsequent query signal is received by said locating unit, within a second predetermined time interval, considering that said previously in-progress emergency service call is not extant. - View Dependent Claims (9, 10, 11, 12, 13, 14)
- said previously in-progress emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said previously in-progress emergency service call;
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15. A method for determining whether a routing expression associated with a respective emergency service call should be disassociated with said respective emergency service call;
- said respective emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said respective emergency service call;
the method comprising;(a) receiving a first signal from said emergency service network at said locating unit establishing to said locating unit existence of said emergency service call; (b) monitoring arrival of subsequent query signals relating to said geographic location arriving at said locating unit from said emergency service answering entity after receiving said first signal;
each said subsequent query signal soliciting a responsive signal from said locating unit relating to said geographic origin;(c) if a respective said subsequent query signal is received by said locating unit, within a first predetermined time interval, considering that said routing expression associated with said respective emergency service call should not be disassociated with said respective emergency service call; and (d) if no said subsequent query signal is received by said locating unit, within a second predetermined time interval, considering that said routing expression associated with said respective emergency service call should be disassociated with said respective emergency service call. - View Dependent Claims (16, 17, 18, 19, 20)
- said respective emergency service call being connected with an emergency service answering entity in an emergency service network employing a locating unit for ascertaining a geographic origin for said respective emergency service call;
Specification