AT&T MERLIN LEGEND Release 2.0 Data User's Manual page 81

Features
NOTE:
If you activate Privacy for a data call, it remains on until
you turn it off. If the system activates Privacy
automatically, it automatically turns off Privacy as well.
To Activate Privacy on an Analog
Data-Only Station and Analog Data
Station Connected to a Multi-Function
Module (in an MLX Telephone
1. Follow the instructions in Chapter 3 for dialing. Privacy
is entered after the modem's dial command.
2. Type #31.
3. Continue with the procedures for dialing the number.
To Turn Off Privacy
1. Press Feature.
2. Dial
If you have a programmed Privacy button, you can also
toggle the button to turn off privacy.
Privacy
4-12
31.