Panasonic KX-NCP500, Manual Manual

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In this example:
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.
COS 1
Extn. 100 Extn. 101
COS 2
Extn. 102 Extn. 103
COS 3
Extn. 104 Extn. 105 Extn. 106
Conditions
•
Internal Call Block also prohibits certain features, such as Walking Extension and Walking COS, from being
performed between certain extensions.
•
Any extension can make an Operator Call regardless of the Internal Call Block setting of its COS. (
®
12.1.5 Operator Features)
•
Because each doorphone port is assigned a COS, the Internal Call Block feature can restrict certain
extensions from calling certain doorphones. (
®
4.1.12 Doorphone Call)
PC Programming Manual References
4.14 [2-7-3] Class of Service—Internal Call Block— COS Number of the Extension Which Receive the Call
from Other Extension 1–64
5.12 [3-5-1] Incoming Call Distribution Group—Group Settings—Main—
COS
6.1 [4-1-1] Wired Extension—Extension Settings—Main— COS
6.10 [4-2-1] Portable Station—Extension Settings—Main— COS
7.1 [5-1] Doorphone— COS
7.6 [5-4] External Relay— COS Number
Feature Manual References
3.1.21 COS (Class of Service)
9.1.15 IP-PT (IP Proprietary Telephone)
Description
This PBX supports the connection of IP proprietary telephones (IP-PTs), which function almost identically to
normal PTs. However, they connect to the PBX over a Local Area Network (LAN), and send and receive calls
using Internet Protocol (IP).
Document Version 2009-12 Feature Manual 165
9.1.15 IP-PT (IP Proprietary Telephone)