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G6G7G8EXOCartridges and SensorsLocation BeaconBlackline LiveBlackline AnalyticsLoner MobileNotifications

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Mass Notifications

Sending Mass Notifications

Blackline Safety guarantees 99% delivery of messages to devices on cellular networks. Blackline Live attempts to send the message three times before it times out. Devices on satellite networks or devices in areas with poor cellular reception may have issues receiving text messages — as well as other communications — from Blackline Live.

  1. From the Main menu, select Mass notifications. The Mass notifications page opens.
  2. Select whether to send mass notifications by Device group or Zone.
    • If you choose to send a mass notification by Device group, select the Device group to contact. For example, to contact all the devices in an organization, set the Device group to All devices
    • If you choose to send a mass notification by zone, select the Zone to contact.
  3. Enter a short message into the text area.
    Note:

    The message must be split into two lines with a maximum of 16 characters on each line.

  4. Select SEND.
The message is sent to the devices in the specified group.
Blackline Live

Last updated: July 21, 2026