The MD Evolution systems operation and maintenance is achieved using the Windows-based "MD Evolution Management Software Suite" mainly known as TLG. It offers complete features regarding the system administration and maintenance, software upgrades, as well as CIL record management.

This "MD Evolution Management Software Suite" is supported by any local or remote Windows-based PC. One single PC can manage up to 400 MD Evolution/EBN systems.

The system administration software windows-based TLG is the main application for managing MD Evolution systems. When the MD Evolution system includes the integrated Voice and/or Unified Server, it handles the specific database of the Voice Server. It is also used for upgrading the systems "CPU software" and "DSP software" using the Software Uploading facilities. The last TLG version is required in relation to MD Evolution systems running the last software version, but is also compatible with any previous CPU software versions.