Section 700 - Operation
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line becomes free. Simply pick up the handset and dial the telephone number
when the Trunk Callback alert tone rings.
To set Trunk Queuing:
1. Press the ON/OFF key.
2. Press the CO line key or dial a trunk access code.
The phone issues
3. Press "2."
"In CO Queuing" appears on the display.
4. Press the ON/OFF
5. Wait for the Trunk Callback alert tone.
To respond to the Trunk Callback alert tone:
Pick up the handset.
The outside line is automatically accessed.
The phone issues dial tone.
"CO TALK #XX" (where "XX" is the line number) appears on the display.
FFI (System): Extension Class of Service Setting
FF3 (Extension): Extension Class of Service Assignment
Chapter 2. System Features