AT&T SYSTEM 25 Manual page 16

Single-Line
Entering Account Codes for Outgoing Calls
1
Lift the handset and listen for dial tone.
2
Dial.
Dial the account code or speed dialing code that is associated
3
with the account code.
NOTE:
d i a l
4
Listen for dial tone.
NOTE:
for dial tone.
5
Dial the outside line access code and listen for dial tone.
6
Dial the telephone number.
Entering Account Codes for Incoming Calls
Your call will be disconnected when you follow this procedure. Therefore, do not attempt it
until you have finished your conversation.
1
Before you hang up, press the switchhook.
2
Listen for confirmation tone and dial tone.
3
D i a l
4
Dial the account code or
with the account code.
NOTE:
dial
5 Listen for confirmation tone and then hang up.
If you make a mistake while entering the account code,
again and then the account code.
If you do not hear dial tone, press
speed dialing code that is associated
If you make a mistake while entering the account code,
again and then the account code.
and listen
Account Code Entry 2-3