Peerless Industries KX-TDA15 - Manual (Page 34)

1.1 Incoming Call Features
34 Feature Guide
1.1.2.2 Internal Call Block
Description
Internal calls can be restricted on a COS basis. Each COS of the caller can enable or disable
this feature for each COS of the called party.
[Programming Example]
Explanation:
a) COS 1 can make calls to all extensions.
b) COS 2 can make calls to COS 1 only. (COS 2 cannot make calls to COS 2.)
c) COS 3 can make calls to COS 3 only.
Conditions
• Restricted extension numbers cannot be the parameter of the feature settings (e.g.,
Walking Extension).
• All extensions can make an Operator Call ( 2.2.5 Operator Features) regardless of the
Internal Call Block.
Caller
Called Party
COS 1 COS 2 COS 3 ...
COS 1
COS 2
COS 3
: : : : :
: Block
COS 1
Extn. 100 Extn. 101
COS 2
Extn. 102 Extn. 103
COS 3
Extn. 104 Extn. 105 Extn. 106