Method and system for providing forced hold behavior in a SIP-based network
First Claim
Patent Images
1. A method comprising:
- receiving, by a device including a Session Initiation Protocol (SIP) user agent, a request for an emergency dialog from a user interface, wherein the user interface is coupled to the device;
establishing an emergency dialog with a safety answering point;
in response to a user interface action that would normally end the user interface, placing the emergency dialog in a forced hold state, wherein the forced hold state is enabled by the device including the SIP user agent; and
receiving, by a SIP server, an invite message based at least in part on the user interface action, while the forced hold state is enabled.
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Abstract
A method and system and process for providing forced hold behavior is disclosed. The forced hold behavior may be enabled during an emergency dialog between a user and a Public Safety Answering Point, or PSAP, if a user has abandoned or attempted to end the emergency call. This behavior informs the PSAP that the user has abandoned the call, and permits the PSAP to reestablish communication with the user.
176 Citations
20 Claims
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1. A method comprising:
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receiving, by a device including a Session Initiation Protocol (SIP) user agent, a request for an emergency dialog from a user interface, wherein the user interface is coupled to the device; establishing an emergency dialog with a safety answering point; in response to a user interface action that would normally end the user interface, placing the emergency dialog in a forced hold state, wherein the forced hold state is enabled by the device including the SIP user agent; and receiving, by a SIP server, an invite message based at least in part on the user interface action, while the forced hold state is enabled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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establishing an original dialog between a user interface and a called party, wherein the user interface is coupled to a device including a Session Initiation Protocol (SIP) user agent; receiving a request for an emergency dialog from the user interface; establishing an emergency dialog with a safety answering point; in response to a user interface action that would normally end the user interface, placing the emergency dialog in a forced hold state, wherein the forced hold state is enabled by the device; receiving, by a SIP server, an invite message based at least in part on the user interface action, while the forced hold state is enabled; and storing, by the device, the state of the original dialog in response to the user interface action. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A system comprising:
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a device; a user interface coupled to the device; a Session Initiation Protocol (SIP) server; and a SIP user agent, included in the device, and in communication with the user interface and the SIP server, wherein the SIP user agent is configured to; enable, in response to a user interface action that would normally end the user interface, placing of the emergency dialog in a forced hold state; and transmit an invite message to the SIP server based at least in part on the user interface action, while the forced hold state is enabled.
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Specification