AT&T MERLIN LEGEND Release 2.0 Data User's Manual page 79

Features
NOTE:
For analog data-only and analog data stations connected
to a Multi-Function Module (in an MLX Telephone),
Personal Speed Dial codes
centrally for you to activate
can give you a list of Personal Speed Dial codes and the
numbers they represent.
Using Personal Speed Dial
1. Type #.
2. Type the Personal Speed Dial code (01-24).
4-10 Personal Speed Dial
must be programmed
them. Your system manager