So today, I sold a TVS-95 as an add-in to a TD-1232. I didn't initialize the system before I started so I had to hand-delete the extra mailboxes (there were only 7 total). I get the whole system programmed but I can't seem to get extension 101 to ring the phone...it goes to voice mail every time. I must have spent an hour troubleshooting that, trace on, trace off, program features, RTFM, etc. Finally, the light bulb went off in my head. DELETE the mailbox and add it back in.

Problem solved.

Carl