Generating location information for an E911 call

    公开(公告)号:US10425800B1

    公开(公告)日:2019-09-24

    申请号:US16101780

    申请日:2018-08-13

    Abstract: A method may include receiving, a session initiation protocol (SIP) Invite message associated with a Voice over WiFi (VoWiFi) call made by a user device and determining if the SIP Invite message includes a geolocation header having location information associated with the user device. The method may also include in response to determining that the SIP Invite message includes a geolocation header having location information, initiating a location session with the user device and generating assistance data based on the location information, wherein the assistance data is to be used by the user device to generate assisted global positioning system (aGPS) measurements. The method may further include transmitting, to the user device and during the location session, the assistance data, receiving, from the user device, aGPS measurements based on the assistance data and determining, based on the aGPS measurements, a location of the user device.

    Emergency call support using multiple network technologies

    公开(公告)号:US10660153B1

    公开(公告)日:2020-05-19

    申请号:US16214287

    申请日:2018-12-10

    Abstract: A device may connect to a first wireless network; determine whether the first wireless network provides a particular service for determining a position of the device; select the first wireless network as a primary network if the first wireless network provides the particular service for determining a position of the device, or select the second wireless network as the primary network if the first wireless network does not provide the particular service for determining a position of the device. If the device selects the first wireless network as the primary network, the device may send a first request to the first wireless network to make a first emergency call to an endpoint over the first wireless network.

    GENERATING LOCATION INFORMATION FOR AN E911 CALL

    公开(公告)号:US20200053539A1

    公开(公告)日:2020-02-13

    申请号:US16542480

    申请日:2019-08-16

    Abstract: A method may include receiving, a session initiation protocol (SIP) Invite message associated with a Voice over WiFi (VoWiFi) call made by a user device and determining if the SIP Invite message includes a geolocation header having location information associated with the user device. The method may also include in response to determining that the SIP Invite message includes a geolocation header having location information, initiating a location session with the user device and generating assistance data based on the location information, wherein the assistance data is to be used by the user device to generate assisted global positioning system (aGPS) measurements. The method may further include transmitting, to the user device and during the location session, the assistance data, receiving, from the user device, aGPS measurements based on the assistance data and determining, based on the aGPS measurements, a location of the user device

    User device selection
    4.
    发明授权

    公开(公告)号:US10484436B2

    公开(公告)日:2019-11-19

    申请号:US16260283

    申请日:2019-01-29

    Abstract: A method may include receiving, at an application server, a session initiation protocol (SIP) message including a public user identifier (ID) associated a user. The public user ID corresponds to a plurality of user devices. The method also includes determining an applicable order of alerting at least one of the plurality of user devices. The method further includes identifying at least one available user device associated with the user, based on a terminal identifier (ID) associated with each at least one available user device. The method also includes selecting a user device from the at least one available user device based on the applicable order of alerting. A SIP invite message, including a terminal ID for the selected user device, is generated. The method includes sending the SIP invite message to the selected user device based on the applicable order of alerting, and receiving a response to the SIP invite message.

    EMERGENCY CALL SUPPORT USING MULTIPLE NETWORK TECHNOLOGIES

    公开(公告)号:US20200187295A1

    公开(公告)日:2020-06-11

    申请号:US16214287

    申请日:2018-12-10

    Abstract: A device may connect to a first wireless network; determine whether the first wireless network provides a particular service for determining a position of the device; select the first wireless network as a primary network if the first wireless network provides the particular service for determining a position of the device, or select the second wireless network as the primary network if the first wireless network does not provide the particular service for determining a position of the device. If the device selects the first wireless network as the primary network, the device may send a first request to the first wireless network to make a first emergency call to an endpoint over the first wireless network.

Patent Agency Ranking