We congratulate our participants who have successfully completed our

Mission Critical (MCX) LTE

Basics online training

Held by Harald Ludwig, presented by TASSTA.


We are looking forward to the next training, which is already being planned for 2021!

We wish all our previous participants good luck for creating MCX around the globe!

Stay safe and curious!

learn more





Since mobile technologies changed our lives and the world became faster, TASSTA brings changes in the world of communication with an application for smartphones and computers that becomes an alternative affordable solution for classical radio with numerous additional functions.

TASSTA is a professional Push-To-Talk solution that guarantees to improve the organization, coordination and communication between employees.




Hosted on top-notch powerful web servers, designed as a Higher Availability system. The service is always up and running. Scheduled backups of all data stored in accounts.


Hosted by your in-house servers in your Data Center. Bringing you maximum flexibility and full control over all your data on your server.

frequently asked questions

  • What are the requirements for the map to work?

    - Port 4000 needs to be open

    - Map needs to be enabled in the T.Commander server settings

    - Map needs to be enabled in the T.Commander user settings

    - Map Share Location needs to be enabled in the T.Commander user settings

  • Why does the GPS marker seem to jump to different locations?

    The GPS position is not being tracked like in a navigation application. The position gets    refreshed based on the set timer in the T.Commander settings. If the server does not  receive an update in the set time frame, the GPS marker will jump back to its previous  position. When the server does not get a new position within a timespan of two minutes,  the marker will disappear from the map.

  • How do you activate the Lone Worker Protection?

    The Lone Worker Protection needs to be enabled in the T.Commander server settings   as well as in the T.Commander user settings. The Lone Worker settings have to be  adjusted as required. On the T.Flex devices the Sensor Check needs to be passed for   LWP to be active.

  • How do you create / delete Guard Tours?

    Enable Guard Tours in the T.Commander user settings. Open the Map Tools in the   T.Rodon client, click on the Pencil icon and choose Guard Tours. Set the checkpoints as  required and finish the tour. Right-click on the Guard Tour and set the properties as  needed.

    To remove a Tour choose the Pencil icon and right click on the Guard Tour either on the   map or in the Guard Tour menu.

  • Where do you update the TASSTA Products?

    On our Homepage all TASSTA products are listed with the latest version. The release  notes for these updates are shown on our Public Help Center.

  • How do you reset the password?

    Open the T.Flex application. Log in with your original credentials.

    When you have logged in, open the Navigation Drawer and select the item "Reset Password".

    Go through the instructions and then press "Reset Password".

  • How do you start an E2EE (End-to-End Encryption) with another user?

    Open the T.Flex application. Log in with your original credentials.


    When you have logged in, open the Navigation Drawer and select the item "E2EE”.

    Enable PTT Encryption. Select an encryption key and a decryption key. Enter a key that you can understand.


    If you want to start encrypted communication with a certain user, go to your "Users" tab.

    Select the user with whom you want to start encrypted communication.

    On the top bar. press the three dots and select "Share KEy".


    The user with whom you want to communicate now receives a request from you whether he would like to accept the key. If he accepts the key, you can now start that encrypted communication with him.


  • How can I start a call request for the dispatcher as a T.Flex user?

    In the T.Flex application, open the "My TASSTA" item in the navigation drawer. (Must  have been activated in the T.Commander settings beforehand)


    In the top bar, select the first item (Define items to add). Choose "Call Request".


    You can now see how the item appears in the My TASSTA interface. You now have the option to access the Call Request. To do this, keep the button pressed to send a connection request to the dispatcher. The dispatcher receives a notification and has the option of accepting or rejecting this request.

  • How do you connect Bluetooth devices to the T.Flex?

    Activate Bluetooth on your T.Flex device and access the Bluetooth settings. Pair the  Bluetooth device to your T.Flex device. Make sure that all settings are enabled for the BT  device. Log in to the T.Flex application and open up the settings. Go to the “Preferred  Bluetooth Device” option and choose the paired Bluetooth device.


  • How do I set up audio devices on T.Rodon?

    Install all needed drivers for the device on your PC. Then go to the audio settings on   your PC and set the device for the audio input and audio output. After that open up your  T.Rodon client and go to the Audio/Video settings. Choose the device for “Sound output”  and “Microphone”.


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