ZyXEL Communications ISDN Terminal Adapter Omni.Net Lite - Manual (Page 75)

Omni.Net Lite User’s Guide
Chapter 5 Firmware Upgrade 74
2 Type AT$D99 and press [ENTER]. A message “Remote Firmware Upgrade
Start...” shows in the next screen.
3 Be sure you have the new firmware file on hand. You must decompress compressed (.zip)
files before you can upload them.
4 Click Transfer, then Send File to display the Send File screen.