NEC XN120 Feature Manual page 159

Function
Function
Number
76
Toll Restriction in Credit
77
-Not Used-
78
-Not Used-
79
-Not Used-
80
Tandem Ring Setup Key
81
Automatic Transfer to
Transfer Key
Function Number List (*00-*99) for Service Code 852
Function
Function
Number
*00 Not used
*01 Trunk Key
*02
Trunk Group/ Loop Key
*03 Virtual Extension Key
*04
Park Hold Key
*05
Hybrid Operation Key(Loop
key)
Additional Data
Extension Number
(Max.4 digits)
-
-
-
(Max.4 digits)
Trunk Line No.1-51
Additional Data
Trunk Number 1-51
Trunk Group Number
01- 25
Extension Number. or
Department Group
Number (Max.4 digits)
Park Number 01-64
0-2
0 : Incoming
1 : Outgoing
2 : Both
157
Features
LED Indication
-
-
-
Red On : Master Side
Red On : Set
LED Indication
Features Manual