Panasonic KX-TD500 System Reference Manual page 582

1.02 Individual Trunk Group Dial
Access
Description
Allows extension users to make outgoing CO
calls via an idle CO line in the specified trunk
group by dialing the feature number for "Trunk
Group 01-48 Access" .
Programming
System Programming
"System-Class of Service (2/3)",
Trunk Group Access
"System-Numbering Plan (2/11)",
Trunk Group 01-48 Access
Conditions
Trunk groups to be specified are limited to the
ones assigned in "System-Class of Service",
Trunk Group Access.
If an extension user hears busy tone, all CO lines
in the specified trunk group are not available.
If an extension user hears reorder tone, the
EXTENSION is restricted from accessing the
specified trunk group.
Refer to Section 3-C-1.02 "Toll Restriction for
Individual Trunk Group Dial Access/Direct Trunk
Access" for further information.
Reference
VT Dumb
10-D-4.02 11-C-8.00
10-D-6.02 11-C-11.00
5-A-2
Operation
1. Lift the handset.
• You hear dial tone 1, 3, or 4.
2. Specifying any one of trunk
groups 01 to 48
1) Dial the feature number for
"Trunk Group 01-48 Access"
(Default : 8).
2) Dial the trunk group
specifying number : "01 to
48".
• Trunk group specifying number
matches trunk group number.
3. Dial the telephone number of the
outside party.