WO2002033897A2 - Envoi d'un avis d'urgence via un reseau par paquets - Google Patents

Envoi d'un avis d'urgence via un reseau par paquets Download PDF

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Publication number
WO2002033897A2
WO2002033897A2 PCT/US2001/042776 US0142776W WO0233897A2 WO 2002033897 A2 WO2002033897 A2 WO 2002033897A2 US 0142776 W US0142776 W US 0142776W WO 0233897 A2 WO0233897 A2 WO 0233897A2
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WO
WIPO (PCT)
Prior art keywords
emergency
activation
activation element
packet
controller
Prior art date
Application number
PCT/US2001/042776
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English (en)
Other versions
WO2002033897A3 (fr
Inventor
Mohammad R. Zonoun
Original Assignee
Nortel Networks Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nortel Networks Limited filed Critical Nortel Networks Limited
Priority to EP01983209A priority Critical patent/EP1329080A2/fr
Priority to AU1465502A priority patent/AU1465502A/xx
Publication of WO2002033897A2 publication Critical patent/WO2002033897A2/fr
Publication of WO2002033897A3 publication Critical patent/WO2002033897A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2242/00—Special services or facilities
    • H04M2242/04—Special services or facilities for emergency applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42348—Location-based services which utilize the location information of a target
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Definitions

  • the invention relates to communicating emergency indications.
  • LANs local area networks
  • WANs wide area networks
  • Internet Internet
  • computing devices or systems include desktop computers, personal computers, personal digital assistants (PDAs), and the like.
  • PDAs personal digital assistants
  • Popular forms of communications across such networks include electronic mail, web browsing, file transfers, and other communications.
  • Voice and other forms of real-time interactive or streaming communications are also becoming common over such networks.
  • IP Internet Protocol
  • IP data network each data packet is routed to a node having a destination IP address contained within the header of the packet. Data packets may be routed over separate network paths before arriving at the final destination for reassembly. Aside from IP networks, other types of packet-based networks also exist.
  • PSTN public switched telephone network
  • a convenient mechanism has not been provided to enable emergency calls with devices or systems coupled to packet-based networks.
  • a telephony device coupled to the PSTN
  • a user can dial an emergency number, such as a 911 call, which places a call to an emergency dispatch center.
  • Enhanced 911 (E911) regulatory requirements require that location information concerning where the 911 caller is located be sent with the emergency call.
  • E911 Enhanced 911
  • the telephone number of the caller is communicated to a public safety answering point (PSAP), where the telephone number is cross-referenced with an address database to determine the location of the caller. The information is then displayed to the emergency dispatcher to direct public safety personnel responding to the emergency call.
  • PSAP public safety answering point
  • This capability of locating a device or system is typically not available in many packet-based networks.
  • devices or systems such as a computer, PDA, or other like device, do not have user interfaces that lend themselves to quick emergency calls.
  • establishing communications over a data network requires the launching of an appropriate application software, which may be relatively time consuming and thus unacceptably slow, particularly in an emergency situation.
  • the device or system may have other active applications that may further slow down operation of the device or system.
  • a system capable of communicating over a packet-based network comprises an emergency activation element and a controller responsive to activation of the emergency activation element to send an emergency indication over the packet-based network to a predetermined entity.
  • Some embodiments of the invention may have one or more of the following advantages.
  • a convenient mechanism is provided to issue emergency calls from systems or devices coupled to packet-based networks. Users have enhanced flexibility in placing emergency calls from a wide variety of devices or systems, not just from traditional circuit- switched telephony devices.
  • a convenient user interface is provided to facilitate the placement of emergency calls from such devices.
  • Fig. 1 is a block diagram of an embodiment of a communications system in which various types of systems or devices are coupled to a packet-based data network.
  • Fig. 2 is a block diagram of an embodiment of a system to enable identification of the location of a device or system from which an emergency call is issued.
  • Fig. 3 illustrates a system including emergency activation elements in accordance with some embodiments.
  • Fig. 4 is a block diagram of a wireless device including emergency activation elements according to other embodiments.
  • Fig. 5 is a flow diagram of a process performed by the system of Fig. 3 or Fig. 4 for processing activation of an emergency call.
  • Fig. 6 is a block diagram of a locator unit for use in the system of Fig. 2, in accordance with an embodiment.
  • Fig. 7 is a flow diagram of a process performed by the locator unit of Fig. 6.
  • Fig. 8 is a flow diagram of a process performed by a central authority system in an emergency dispatch center.
  • a communications system 10 includes a data network 12 coupled to various network elements.
  • a community 14 e.g., an organization, government agency, business enterprise, etc.
  • the community 14 includes various terminals that are capable of communicating with the data network 12 through a router 17.
  • the community 14 includes a local area network (LAN) 20 that is connected to computers 22 and 24 and a network telephone 18.
  • a network server 16 is also connected to the LAN 20.
  • LAN local area network
  • Another computer 37 can communicate over the data network 12 through a router 38.
  • a computer 32 at a remote location has access to a public switched telephone network (PSTN) 26.
  • PSTN public switched telephone network
  • the computer 32 can establish a dial-up connection with the network server 16 (through a modem 19 in the network server 16) or establish a session over the data network 12 through a service provider system 28, such as a system associated with an Internet service provider (ISP).
  • Wireless access of the data network 12 is also possible through a wireless infrastructure system 40, which in one embodiment includes a base station system (BSS) 46, a serving GPRS support node (SGSN) 44, and a gateway GPRS support node (GGSN) 42.
  • BSS base station system
  • SGSN serving GPRS support node
  • GGSN gateway GPRS support node
  • the GPRS (General Packet Radio Service) protocol provides for packet-based data services through a wireless infrastructure.
  • Other protocols for defining packet-based services include the Enhanced GPRS (EGPRS) protocol and the EGPRS COMPACT protocol, which are set by the European Telecommunications Standards Institute (ETSI).
  • EGPRS European Telecommunications Standards Institute
  • wireless personal digital assistants (PDAs) 50 are capable of communicating over radio frequency (RF) links 48 with the BSS 46. Packet data can be exchanged between the PDA 50 and the data network 12 through the wireless infrastructure system 40.
  • RF radio frequency
  • One example of the data network 12 is an Internet Protocol (IP) network, which is a connectionless, packet-based network. IP is described in Request for Comments (RFC) 791, entitled "Internet Protocol,” dated September 1981.
  • IP Internet Protocol
  • IP Internet Protocol, Version 6 (IPv6) Specification
  • Packet-based networks communicate with packets, datagrams or other units of data over the networks. Packets or other units of data injected into a packet-based data network may travel independently over any network (and possibly over different networks) to a destination point, with routing based on addresses carried in the packets. The packets, which may arrive out of order, are reassembled by the destination terminal.
  • packet-based data networks 12 include Asynchronous Transfer Mode (ATM) or Frame Relay networks, which are connection-oriented packet-based networks.
  • ATM Asynchronous Transfer Mode
  • Frame Relay networks which are connection-oriented packet-based networks.
  • ATM Asynchronous Transfer Mode
  • a connection-oriented packet-based network a virtual circuit or connection is established between two end points so that packets are received in the same order in which they were transmitted.
  • Examples of types of communications that may be performed between the various network elements over the data network 12 include electronic mail messaging, text chat sessions, web browsing, file transfers, and so forth, hi addition, voice and other forms of real-time interactive or streaming communications may be performed between network elements.
  • the network telephone 18 can establish a call session over the data network 12 with another network element that has voice processing capabilities.
  • emergency calls may also be issued by many of the network elements shown in Fig. 1.
  • an "emergency call” is any type of notification of an emergency condition sent at least in part over the data network 12 to some entity that processes and responds to the emergency call.
  • the call need not be a telephony call, but instead can be any type of communications that can carry one or more messages to convey the emergency notification.
  • the computers 22 and 24 include emergency activation elements 23 and 25, respectively, which when activated by a user causes an emergency call to be issued over the data network 12 to an emergency dispatch center 112 (Fig. 2).
  • the computer 22 includes a key 23 on its keyboard (or other part of the housing of the computer 22) that when depressed by the user causes transmission of an emergency call.
  • the computer 24, as another example, has a graphical activation element 25 (such as an icon) that is displayed in a screen 27. Using an input device, such as a mouse or cursor control keys, the user can select the emergency activation element 25 to cause an emergency call to be placed.
  • the computer 32 includes an emergency activation button 34
  • the computer 37 includes an emergency activation button 36
  • the PDA 50 includes an emergency activation button 51.
  • the emergency activation buttons may have a distinct color (e.g., red) or shape to enable easy identification by a user.
  • any of the terminals referenced above may have more than one button.
  • voice recognition may be performed to perform an emergency call.
  • the emergency activation element is the detector for recognizing words such as "EMERGENCY,” "HELP,” or "911," in conjunction with a code word to avoid inadvertent emergency calls.
  • emergency activation elements provide for a convenient and efficient mechanism to issue emergency notifications to the emergency dispatch center 112.
  • a user can activate the emergency activation element on the workstation at which the user is located. This provides a quicker way of sending the emergency calls to enhance quicker response times by emergency personnel to an emergency condition.
  • a system 100 is able to locate a terminal that issued an emergency call.
  • the system 100 includes a number of locator units 104 that are capable of communicating with satellites 102, which may be global positioning system (GPS) satellites to provide GPS data relating to positional information.
  • GPS global positioning system
  • each locator unit 104 includes a GPS receiver to make measurements of signals from four satellites to solve for the three-dimensional coordinates of the locator unit 104 and the clock offset between a clock in the GPS receiver and the GPS system time.
  • GPS positioning data instead of using GPS positioning data, other mechanisms for performing location identification may be used.
  • the locator units 104 are dispersed throughout a region In a region in which there is a relatively high density of terminals capable of issuing emergency calls, the number of locator units 104 can be increased to allow more accurate identification of the location of a terminal.
  • one of the locator units 104 is activated to provide location information associated with the terminal.
  • the location information is communicated to the emergency dispatch center 112 to enable emergency dispatchers to determine where to send emergency personnel to aid the person who issued the emergency call.
  • the locator units 104 send location information over a communications medium 106, which may be an RF medium, microwave medium, wired medium, and so forth.
  • the emergency dispatch center 112 includes a network server 114 that is coupled to the data network 12, and a central authority system 116 that is connected to the network server 114.
  • the locator server 108 packages the location information received from the locator units 104 into a format that is communicated to the network server 114 over the data network 12.
  • the central authority system 116 receives emergency calls and information identifying sources of the emergency calls though the network server 114.
  • the locator units 104 are activated by activators 110, which send activation requests to appropriate ones of the locator units 104 in response to receipt of emergency calls.
  • an activator 110 sends an activation request to a locator unit 104 that is in the general vicinity of the terminal that originated the emergency call.
  • the activators 110 can be incorporated into the terminals shown in Fig. 1, or alternatively, they may be external devices that monitor for emergency calls issued by the terminals of Fig. 1.
  • the locator unit sends location information to the locator server 108, which forwards the information to the central dispatch center 112.
  • the locator mechanism can be incorporated into routers or other devices coupled to various networks. Such devices may detect the occurrence of an emergency call, and in response to such detection, may send a special code or location information to the emergency dispatch center 112.
  • a typical computer 200 or other type of user terminal
  • Examples of other types of user terminals include Internet appliances, set-top boxes, and so forth.
  • the computer 200 may be any one of the computers 22, 24, 32, or 37 (Fig. 1).
  • the computer 200 includes a keyboard 230 that has an emergency activation button 202, which when selected by the user causes an emergency call to be issued from the computer 200.
  • An input/output (I/O) interface 215 is coupled to the keyboard 230 to receive indications that keys have been activated, including the emergency call button.
  • the emergency key button 202 may be positioned in another portion of the computer 200, such as on a mouse, the housing of a monitor, the main housing of the computer 200, and any other portion accessible by a user.
  • the computer 200 also includes a control unit or processor 210 and a storage unit 212.
  • Various software application routines 216 are executable on the control unit 210.
  • an emergency application routine 218 is also executable on the control unit 210.
  • the emergency application routine 218 detects activation of the emergency activation button 202 (based on a signal, such as an interrupt, from the I/O interface 215), and in response, causes generation of an emergency call over the data network 12 through a network interface 228.
  • the software emergency application routine 218 can be substituted with a hardware component, such as a chip, e.g., a programmable gate array (PGA), an application-specific integrated circuit (ASIC), a microcontroller, and so forth.
  • a hardware component such as a chip, e.g., a programmable gate array (PGA), an application-specific integrated circuit (ASIC), a microcontroller, and so forth.
  • Activation of an emergency activation element causes an indication (in the form of an interrupt or other signal) to be sent to the chip, which responds by performing some or all of the tasks of the emergency application routine 218 to place an emergency call.
  • a hardware component is improved processing speed over a software routine, especially if multiple software applications are active together and using up system resources.
  • the computer 200 can alternatively
  • an emergency activation element 204 that is displayable in a screen 208 of a display 206.
  • the emergency activation element 204 can be an icon or any element displayable as part of another application.
  • Display of the emergency activation button 204 is controlled by a graphical user interface (GUI) routine 205.
  • GUI graphical user interface
  • Activation of the emergency activation element 204 is received by the GUI routine 205, which communicates the activation to the emergency application routine 218.
  • the computer system 200 includes a voice detector that is able to recognize words such as "EMERGENCY,” "HELP,” or "911.”
  • the voice detector includes a microphone 219 coupled to the I/O interface 215.
  • Voice data is communicated to the emergency application 218, which performs voice recognition.
  • a time-out period may be provided after activation of an emergency activation element has been received to provide a user an opportunity to cancel the emergency call.
  • the emergency activation element may have to be depressed for some predetennined period of time.
  • An emergency call may be issued by the computer 200 in one of various formats.
  • the emergency call can be communicated in a Hypertext Transport Protocol (HTTP) request, which is generated by an HTTP service 220 in response to emergency call initiation by the emergency application routine 218.
  • HTTP Hypertext Transport Protocol
  • the emergency call can be communicated in a call session established between the computer 200 and the emergency dispatch center 112 over the data network 12.
  • the call session may be established using control messages according to the Session initiation Protocol (SIP).
  • SIP Session initiation Protocol
  • a SIP stack 222 generates SIP messages, including the SIP Invite message, for transmission over the data network 12.
  • the SIP stack 22 also parses SIP messages received from the data network 12.
  • a version of SIP is described in RFC 2543, entitled “SIP: Session Initiation Protocol," dated in 1999.
  • H.323 Recommendation Another protocol that defines messages for establishing call sessions over packet- based networks is H.323 Recommendation, established by the International Telecommunication Union (ITU). If H.323 or another protocol is used, then a module other than the SIP stack 222 is used.
  • the emergency application routine 218 can communicate audio data to the emergency dispatch center 112. The audio data may be a prerecorded message indicating an emergency situation exists.
  • a speaker (not shown) and the microphone 219 of the computer 200 may be activated to enable the user to speak to a dispatcher at the emergency dispatch center 112.
  • the emergency call is sent, and a call session may be established with the emergency dispatch center 112 as noted above.
  • Messages are communicated between the HTTP service 220 or SIP stack 222 and the network interface 228 through a transport layer 224 (e.g., a User Datagram Protocol layer) and a network layer 226 (e.g., an IP layer).
  • the User Datagram Protocol is described in RFC 768, entitled “User Datagram Protocol," dated August 1980, and provides a transport layer for managing connections between network elements over an IP network.
  • the computer 200 also includes a wireless interface 214, which is coupled to an antenna 217.
  • the wireless interface 214 and antenna 217 may be used to commumcate activation requests originated by the emergency application routine 218 to one or more locator units 104 (Fig. 2).
  • the activator 110 of Fig. 2 includes the wireless interface 214 and the antenna 217.
  • a wireless device 300 that can be used for issuing emergency calls is illustrated.
  • the wireless device 300 can be the PDA 50 in Fig. 1.
  • the wireless device 300 includes a transceiver 318 to communicate wireless signals over an antenna 319.
  • Wireless protocol stacks 316 enable communications of signaling between the transceiver 318 and a service 314 that defines packet communications to or from the wireless device 300.
  • the service 314 can be according to the Wireless Application Protocol (WAP) framework provided by the Wireless Application Protocol Forum, Ltd., and described in the Wireless Application Protocol Architecture Specification, dated April 30, 1998.
  • the wireless device 300 also includes an emergency application routine 308 and other application routines 306.
  • An emergency application element 304 can be presented in a display 302 of the wireless device 300. Activation of the emergency element 304 is received by a GUI routine 305, which communicates the activation to the emergency routine 308.
  • the various application routines are executable on a control unit or processor 310, which is connected to a storage unit 314.
  • the wireless device 300 includes an emergency button 320 located on the housing of the wireless device 300. Activation of the emergency button 320 is received by an interface circuit 322, which is communicated to the emergency application 308.
  • the transceiver 318 and antenna 319 can also be used to communicate activation requests to the locator units 104 (Fig. 2).
  • the activator 110 of Fig. 2 includes the transceiver 318 and the antenna 319.
  • acts performed in a system e.g., computer 200 (Fig. 3) or device 300 (Fig. 4) for emergency processing are illustrated. The system determines if an emergency element has been activated (at 402).
  • active application routines may be halted or exited (at 404). Halting or exiting of active application routines may be performed to dedicate the resources of the system to placing an emergency call. This is to prevent other active application routines from interfering with or delaying the emergency call.
  • the emergency application routine 218 (Fig. 3) or 308 (Fig. 4) is activated (at 406).
  • the emergency application routine may be run as a background service that takes control of the system only upon detection that the emergency element has been activated.
  • other information such as medical or location mformation are also accessed (at 408) for communication to the emergency dispatch center 112.
  • medical information (such as the health condition associated with the person using the computer) may be communicated to the emergency dispatch center 112 so that the emergency dispatcher can communicate any health problems to emergency personnel.
  • Other personal information of the user may also be transmitted.
  • the system may also store a code to indicate the location of the system. This may be feasible with desktop computers or other systems or devices that stay relatively stationary.
  • an emergency call is sent (at 410) by the emergency application routine.
  • the emergency application routine can cause an activation command to be sent (at 412) to a corresponding locator unit 104 (Fig. 2).
  • cryptography may be employed to protect sensitive information.
  • Public-key algorithms are designed so that the key used for encryption is different from the key used for decryption. With public-key algorithms, keys used for decryption may be kept in an escrow system (maintained by a trusted third party).
  • the information is encrypted to prevent interception of the sensitive information.
  • the encrypted information is decrypted.
  • the system may also establish (at 414) a call session with the emergency dispatch center 112. This may be accomplished by using SIP, H.323, or other messaging. Audio components, such as a speaker, microphone, or headset, are activated (at 416) to enable voice communications by the user.
  • the locator unit 104 includes a control unit 502 and a storage unit 504.
  • a location identifier routine 505 is executable on the control unit 502 to determine the location of the locator unit 104 based on GPS data received from a GPS receiver 508.
  • a GPS receiver is capable of receiving data from satellites 102 (Fig. 2).
  • location information 506 identifying the location of the locator unit 104 may be stored in the storage unit 504, with the location information 506 communicated each time an activation command is received.
  • location information 506 instead of GPS data works well with locator units 104 that are fixed in position. However, with locator units 104 that are capable of moving around, location detennination based on GPS data provides more accurate location information.
  • a location code may be communicated with an activation request 509 received from an activator 110 (Fig. 2).
  • the location code provides the location of the terminal that originated the emergency call, which may provide for more accurate location identification.
  • a transmitter 510 in the locator unit 104 transmits location information over the communications medium 106 (Fig. 2) in response to receipt of an activation command 511 from an activation reception unit 512.
  • the activation reception unit 512 decodes the activation request 509 to determine whether activation has been requested.
  • the locator unit 104 first detects (at 602) if an activation request 509 has been received. If so, the activation command is decoded (at 604). Next, the locator unit 104 determines (at 606) the location identifier based on received GPS data, the location information 306, or a code in the activation request 509.
  • a locator message is prepared (at 608) to carry the location identifier.
  • the locator message is transmitted (at 610) over the communications medium 106 (Fig. 2) for communication to the emergency dispatch center 112 through the locator server 108, and data network 12.
  • the central authority system 116 determines (at 702) if an emergency call has been received. If so, the associated locator message is identified (at 704). Associating a locator message with an emergency call message may be performed by the client terminal assigning a unique identifier for each call. The unique identifier can then be embedded in the locator message and emergency call message.
  • the emergency call and the associated location are presented (at 706) to a dispatcher at the central authority system 116, along with any supplemental information such as medical information.
  • control unit may include a microprocessor, a microcontroller, a processor card (including one or more microprocessors or microcontrollers), or other control or computing devices.
  • a "controller” refers to hardware, software, or a combination thereof.
  • the storage units may include one or more machine-readable storage media for storing data and instructions.
  • the storage media may include different forms of memory including semiconductor memory devices such as dynamic or static random access memories (DRAMs or SRAMs), erasable and programmable read-only memories (EPROMs), electrically erasable and programmable read-only memories (EEPROMs), and flash memories; magnetic disks such as fixed, floppy and removable disks; other magnetic media including tape; and optical media such as compact disks (CDs) or digital video disks (DVDs).
  • DRAMs or SRAMs dynamic or static random access memories
  • EPROMs erasable and programmable read-only memories
  • EEPROMs electrically erasable and programmable read-only memories
  • flash memories such as fixed, floppy and removable disks; other magnetic media including tape
  • optical media such as compact disks (CDs) or digital video disks (DVDs).
  • the instructions of the software routines or modules may be loaded or transported into the terminal in one of many different ways.
  • code segments including instructions stored on floppy disks, CD or DVD media, a hard disk, or transported through a network interface card, modem, or other interface device may be loaded into the system and executed as corresponding software layers, routines, or modules.
  • data signals that are embodied in carrier waves (transmitted over telephone lines, network lines, wireless links, cables, and the like) may communicate the code segments, including instructions, to the terminal.
  • carrier waves may be in the form of electrical, optical, acoustical, electromagnetic, or other types of signals.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système de notification d'urgence (10) comprenant divers terminaux équipés d'éléments d'activation d'urgence qui lorsqu'il est activé par un utilisateur envoie une notification d'urgence via un réseau de données par paquets vers un système central, tel qu'un centre de dépêche d'urgence (112). Lors de l'activation de l'élément d'activation d'urgence, un appel d'urgence est placé. L'émission du message est associée à cet appel d'urgence afin de permettre l'identification de l'emplacement du système pour que le centre de dépêche d'urgence (112) puisse déterminer l'emplacement de la source de l'appel d'urgence. Lors de la réception de la demande d'activation, une unité de localisation (104) communique les informations d'emplacement à un centre de dépêche d'urgence (112). Il en résulte qu'un centre de distribution du centre de dépêche d'urgence (112) est notifié de l'appel d'urgence et de l'emplacement de la source de l'appel d'urgence de manière que le centre de distribution puisse envoyer du personnel d'urgence pour répondre à l'appel d'urgence.
PCT/US2001/042776 2000-10-16 2001-10-16 Envoi d'un avis d'urgence via un reseau par paquets WO2002033897A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01983209A EP1329080A2 (fr) 2000-10-16 2001-10-16 Envoi d'un avis d'urgence via un reseau par paquets
AU1465502A AU1465502A (en) 2000-10-16 2001-10-16 Sending an emergency indication over a packet-based network

Applications Claiming Priority (2)

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US68846000A 2000-10-16 2000-10-16
US09/688,460 2000-10-16

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WO2002033897A2 true WO2002033897A2 (fr) 2002-04-25
WO2002033897A3 WO2002033897A3 (fr) 2002-07-04

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005039227A1 (fr) * 2003-10-17 2005-04-28 Nortel Networks Limited Procede pour obtenir des informations de localisation destinees a des services d'urgence dans des reseaux multimedias sans fil
EP1538581A1 (fr) * 2003-12-04 2005-06-08 France Telecom Procede et dispositif de traitement d'alertes
WO2005057898A1 (fr) * 2003-12-12 2005-06-23 Siemens Aktiengesellschaft Localisation d'abonnes au telephone connectes a un reseau a commutation de paquets
FR2866187A1 (fr) * 2004-02-11 2005-08-12 Cit Alcatel Procede de transmission a un centre d'appels, via des reseaux de communications heterogenes, de donnees de localisation d'un terminal de comminication appelant
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US11595521B2 (en) 2003-01-21 2023-02-28 K.Mizra Llc System for communicating event and location information
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FR2866187A1 (fr) * 2004-02-11 2005-08-12 Cit Alcatel Procede de transmission a un centre d'appels, via des reseaux de communications heterogenes, de donnees de localisation d'un terminal de comminication appelant
WO2007054612A1 (fr) * 2005-11-11 2007-05-18 Telcont Oy Procede et dispositif terminal permettant de recevoir et/ou de transmettre une information d'alarme, d'etat et/ou de commande

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