You will need to access the Windows desktop of the machine in order to get the TeamViewer number:
TeamViewer is pre-installed on all Tightrope branded hardware at the factory. TeamViewer uses a nine-digit ID number to identify each computer. In the event that TRMS support needs to access your machine, they will likely need this ID number in order to initiate the connection.
If the application is not on your system you can download and install it here:
Article ID: 25
Created On: Mon, Sep 22, 2014 at 12:06 PM
Last Updated On: Tue, May 8, 2018 at 10:00 AM
Authored by: System Administrator [firstname.lastname@example.org]
Online URL: http://kb.trms.com/article/how-do-i-find-my-teamviewer-id-25.html