Mitel ISDN Maintenance and Administration Tool (IMAT) is a Windows-based application you use to program and maintain the Universal NSU and the R2 NSU on the 3300 ICP.
To install the IMAT software:
Shut down all applications on the IMAT PC.
Insert the CD-ROM into the CD drive.
On the Start menu, click Run.
Type your CD drive letter followed by :\imat\disk1\setup.exe
Click OK.
Follow the prompts.