Polycom MGC Administrator Administrator's Manual page 47

If you have selected Browse, the Browse for Folder dialog box opens,
enabling you to select the source folder.
3. From the version 7.5x software folder, select English V75 IVR or
English and Spanish V75 IVR folder, according to the required
Message Service, and click OK.
The system returns to the Restore dialog box.
4. Click OK to continue.
The Restore dialog box is displayed.
The system lists the configuration folder (CFG box) and the audio files
(Msg box) used in the IVR Service.
5. Click the Select All button.
6. Click OK to install the default Message Services on the MCU.
7. At the end of the Restore process, a message is displayed indicating that
the MCU must be reset to be able to use the new Message Services.
8. Click OK and reset the MCU.
MGC Administrator's Guide
2-29