Windows PC

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The Windows PC app is now available for download by clicking the installer link below. You can install the Active911 Windows PC app on any


Click the link to download the Active911 Windows PC app installer on your computer: Active911 PC App 1.6.0

Basic Set-up

  1. Download and install the Active911 Windows PC app on your computer (using Windows XP or greater).
  2. Check with your IT staff that port 5222 is open and allowed through firewalls in order to receive alerts and updates from other devices.
  3. Once installed, download and open the Active911 app and enter your device code. Your device code should be six numbers, a hyphen, and 4 capital letters. If you don't have this please contact your administrator.
  4. When your device code is entered correctly, the a map will appear with the call list on the left side.


The Windows Desktop App is only for use on Windows systems (PCs and tablets), not on mobile phones. Additionally, any computer running the Windows Desktop App must have a connection to the internet and be configured for always-on operation. This is very important! Once you have the Windows Desktop App running, we request that you do not close the app. Alerts will continue to come through, but will not alert unless the app is open. It can be minimized, but must be open to be notified.

If your Windows Desktop App is not showing up on response maps, you may need to troubleshoot the GPS. Go to the GPS troubleshooting page and follow the instructions. We need an accuracy of better than 100 meters in order to use your GPS position. If you are not getting good GPS accuracy, you may need to install GPSGate or a plugin supplied by your GPS manufacturer.


Sending an alert

If your administrator has granted you the capability to create and send new alerts, you can alert your agency right from your Windows app.

  1. Right click on a map to select a location.
  2. Select Create Alert and edit the alert information. You can also select recipient groups if your agency has set up Page groups.
  3. Click Send.

Alternately, you can send an alarm without using the map by clicking Active911 on the menu bar and selecting Create Alert. If you do this, we will try to map the address you have typed in.

Customizing settings

If you click Active911 on the menu bar in the app, and select Settings you have a Settings Window pop open with the following tabs: general, mapping, and agencies. Here is a break down of the three tabs:

General Tab

Active911 Connection
Device Code
-This is where you enter your device code.
Connection to Active911
-This shows your connection to Active911.
Show Alerts For
-You can select how long you would like alerts to show within the app.
Measurement System
-You can select if you would like to us the English or Metric measurment system
-This is where you can choose how the app looks.

Mapping Tab

Mapping Settings
Default Map Style
-Select the map style that you would like to use.
Use default location?
-You can set the default location where the app will open up on.
Route to Call?
-If you have Automatic checked, then you will have routing. Unchecked means you will not have routing.
Map Marker Density
-This option allows you to set the density of the map markers, so you can see more or less of map data points at a time. “None” makes all markers disappear. If you are in a rural area, set “Rural”. If you are in a city or have many markers, use “Urban”. The options are:
-Dense Urban
Map Marker Size
-This slider allows you to set your desired size for map markers when viewing the map.

Agencies Tab

Alert Tone
-Select the ringtone you want to sound when a call comes through for your agency.
Duty Status
-The default is "on duty". When you have "on duty" selected, you will receive alerts. "Off duty" means you won't receive any alerts unless a group is set to override shifts and filters or if you have filters set for certain calls to come through. "Auto" means that your device will follow any shift schedule set on the website by the administrator. See Shift settings for more on Auto.
Your Assignment
-You can select your assignment if you have one here.
-If your agency has pagegroups set up, you can add or take yourself out of certain groups.

Advanced Features

AVL Reporting

The app has the ability to relay device position data to an AVL (Automatic Vehicle Locating) system. Currently this feature is only available in the PC version of the app.

Enabling AVL Reporting

When running the PC app, there is a tab labeled Advanced in the settings window. This tab contains a check box to enable this feature as well as the ability to specify the url and port to report to. These settings are remembered and will persist app sessions.

Maintaining The Connection

The app will only attempt to create and maintain a connection to an AVL system if the feature is enabled. If the feature is enabled, the app will check once a second to see if the connection is open. If the connection is not open, then it will attempt to reconnect. This will continue until the app is closed or a connection is established.

NMEA Sentences

AVL Reporting uses TAIP (Trimble ASCII Interface Protocol) which is part of the NMEA (National Marine Electronics Association). Here's a brief overview of the proprietary Active911 NMEA sentences used for conveying AVL information.

General sentence structure

$A91,{message type},{device id},{agency id},{device name},{latitude},{longitude}

Specific example


- Identifies the message as a custom active911 NMEA sentence
- Notifies that this is a position sentence
- The id of the device associated with this position
- The id of the agency context this data is given in
- The name for this device specific to this agency
- The latitude to six decimal points
- The longitude to six decimal points