It should be possible to connect to your company with IPSec, as long as your RUTX12 has internet connectivity.
Based on the data you have provided, some key information is missing, mainly remote subnet of your company, and IKE proposal settings. These must match on both sides for the tunnel to establish.
Also, do you want to simply access your company's network or route all of your traffic through the IPsec tunnel, in regards, to Default route option?
A very detailed explanation, on configuring IPsec between Teltonika and Fritzbox is provided here, however, the configuration was performed on legacy design web interface, thus there are some differences.