AT&T SYSTEM 25 User Manual page 65

For example, you may wish to store in a <REP DIAL> both
a telephone number (555-4444) and an identification code
that should be transmitted directly to the far end (12345):
Programmed characters: 9*5554444**#312345.
Meaning: 9 (1.5 second pause) 5554444 (3 second
pause) (start end to end signaling) 12345.
Programming Your Buttons and Personal Speed Dialing
Codes
Use the following procedure to program a new number or a
new number over an old number.
Note: To remove an old number and not replace it with a
new one, simply enter 0 when instructed to dial the number
to be programmed.
1.
Lift the handset and listen for dial tone.
Dial #4.
2.
3. Dial the number you wish to program.
4. To indicate where this number should be stored, press
the <FLEX DSS> or <REP DIAL> button or dial the
Personal Speed Dialing code (#20 through #26).
5. Listen for confirmation tone and dial tone, then hang
up.
Display: The display shows the characters entered.
Programming Numbers (Contd)
61