Here's Menu 1.1 with the system info removed:
Number of Rings for Local and Long Distance Calls (Used for Outcalls): 6
ACP Used for Integration: Y
Type of PBX or Centrex VPMOD is on: 3 - 1A ESS/SMDI, Full Duplex
Number of Digits in Extension (Used for Outcalling and ECP): 7
Number of Digits in Extension (Used for Message Waiting): 5
Number of Rings for On-PBX Calls (Used for Outcalling): 3
Number of Rings for On-PBX Calls (Used for ECP): 10
Sender ID Used for Telephone Answering Messages: 2 - Calling Party, if Known
Saved Messages - Keep Date/Time Stamp of When the Message was Received: Y
Block Messages to Uninitialized Mailboxes (Y/N): N
ANI Used for Integration: Y
I'm pretty sure it worked properly at one point. It was just brought to our attention, but the system has been in service for over 10+ years.