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Telephone Operating Instructions
❖ To keep CFOS active for a specific time, dial a two-digit number (01 to 60)
representing the time in hours, listen for confirmation tone, and then hang up.
To change a telephone’s call forward mode from another telephone:
❖ Lift the handset.
❖ Dial the Remote Call Forward access code plus the digit specifying the mode
(CFFM = 1, CFBDA = 2, or CFDA = 3). Listen for system dial tone.
❖ Dial the prime extension number of the telephone the calls will be forwarded from.
Listen for system dial tone.
❖ Dial the number of the telephone the calls will be forwarded to.
❖ When you hear confirmation tone, hang up.
To cancel call forward from another telephone:
❖ Lift the handset.
❖ Dial the Remote Call Forward access code followed by the digit 0. Listen for
system dial tone.
❖ Dial the prime extension number of the telephone to be taken out of the call forward
mode.
❖ When you hear confirmation tone, hang up.
If the extension is not in the call forward mode, you hear reorder tone.
To check if a telephone is in a call forward mode from another telephone:
❖ Lift the handset.
❖ Dial the Remote Call Forward access code followed by the digit 9. Listen for
system dial tone.
❖ Dial the prime extension number of the telephone you want to check.
❖ If the telephone is in the call forward mode, you hear confirmation tone. If not, you
hear reorder tone.
❖ Hang up.
To break in on a two-party call or multiparty conference in progress:
❖ Lift the handset.
❖ Press the DES button for one of the busy circuits. The selected button indicator
changes to ACTIVE. You hear confirmation tone; the busy parties may hear
warning tone and interrupted override tone. A conference connection is established.
❖ Hang up to exit the call. The original call is reestablished, and the associated
button indicator changes to BUSY.
Call Intrusion
Break-In