1.1 Before Operating a Telephone
12 User Manual
Go off-hook by doing any of the 
following:
• Lift the handset.
• Press the SP-PHONE button.
• Press the MONITOR button. (To 
start talking, lift the handset.)
Press the Call button on the 
Doorphone.
Go on-hook by doing any of the 
following:
• Hang up.
• Press the SP-PHONE button.
• Press the MONITOR button.
Press the Recall/hookswitch briefly.
Talk. Enter the required number.
<Example>
 
Enter the account code.
You will hear a busy, confirmation, 
dial, or ringback tone.
B. Tone: Busy Tone 
C. Tone: Confirmation Tone 
D. Tone: Dial Tone 
R. B. Tone: Ringback Tone
Dial an extension number.
Dial an outside telephone number. Dial an extension number or outside 
telephone number.
desired no.
account code
extension no.
outside 
phone no.
phone no.