Panasonic KX-TD500 System Reference Manual page 272

8.00 CO Busy Out
Description
Allows the operator 1 (extension user or attendant
console) to busy out the invalid CO lines.
Any user (including the operator at attendant
console) cannot seize the busied-out CO lines.
To busy out the invalid CO line, dial the feature
number for "Busy Out Trunk" and trunk port
physical number of the associated CO line.
To return the busied-out CO line to service, dial the
feature number for "Unbusy Trunk" and trunk-port
physical number of the associated CO line.
It is assignable to busy out the invalid CO lines
automatically by using ABC command at dumb
programming mode.
Refer to Section 11-C-46.00 "Automatic Busy-Out
Count (ABC)" for further information.
For CO Busy Out from Attendant Console, refer to
Section 6-J-10.00 "CO Access Control".
Programming
System Programming
"System-Numbering Plan (9/11)",
Busy Out Trunk
Unbusy Trunk
"Automatic Busy-Out Count
(ABC)"
Conditions
None
Reference
VT Dumb
10-D-6.09 11-C-11.00
— 11-C-46.00
3-F-12
Operation
Setting CO Busy Out to a CO line (from operator
1)
1. Lift the handset or press the SP-
PHONE button.
• You hear dial tone.
2. Dial the feature number for "Busy
Out Trunk" (Default : *77) and
trunk port physical number.
• You hear confirmation tone.
• If your PITS has a display, it
shows:
Busy Out: T xxxxx
3. Replace the handset or press the
SP-PHONE button.
Canceling CO Busy Out (from operator 1)
1. Lift the handset or press the SP-
PHONE button.
• You hear dial tone.
2. Dial the feature number for
"Unbusy Trunk" (Default : #77)
and trunk port physical number.
• You hear confirmation tone.
• If your PITS has a display, it
shows:
Unbusy: T xxxxx
3. Replace the handset or press the
SP-PHONE button.
Trunk port physical
number
Trunk port physical
number