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2.2 System Configuration—Software
Feature Guide 283
2.2 System Configuration—Software
2.2.1 Class of Service (COS)
Description
Each extension is assigned a COS number ( Class of Service [602]). The following features
are controlled on a COS basis:
a) Internal Call Block ( 1.1.2.2 Internal Call Block)
b) FWD ( 1.3.1.2 Call Forwarding (FWD))
c) DND Override ( 1.3.1.3 Do Not Disturb (DND))
d) Call Pickup ( 1.4.1.3 Call Pickup)
e) Account Code Entry ( 1.5.4.3 Account Code Entry)
f) External Call Block ( 1.5.5.3 Trunk Access)
g) Executive Busy Override ( 1.7.2 Executive Busy Override)
h) Call Monitor ( 1.7.3 Call Monitor)
i) OHCA ( 1.7.4.3 Off-hook Call Announcement (OHCA))
j) Whisper OHCA ( 1.7.4.4 Whisper OHCA)
k) TRS/Call Barring ( 1.8.1 Toll Restriction (TRS)/Call Barring (Barring))
l) Extension Lock ( 1.8.3 Extension Lock)
m) Walking COS ( 1.8.5 Walking COS)
n) Trunk Call Limitation ( 1.10.8 Trunk Call Limitation)
o) Call Transfer ( 1.11.1 Call Transfer)
p) Door Open ( 1.16.2 Door Open)
q) DISA ( 1.16.6 Direct Inward System Access (DISA))
r) Call Forwarding (CF)—by ISDN (P-MP) ( 1.20.1.4 Call Forwarding (CF)—by ISDN
(P-MP))
s) Wireless XDP Parallel Mode ( 1.24.5 Wireless XDP Parallel Mode)
t) SMDR for Outgoing Trunk Call ( 1.25.1 Station Message Detail Recording (SMDR))
u) Time Service Switching ( 2.2.4 Time Service)
v) Manager Features ( 2.2.6 Manager Features)
w) PT Programming ( 2.3.2 PT Programming)
Conditions
• Walking COS
Extension users can make a call from other extensions of the lower level COS by using
their own higher level COS temporarily.
User Manual References
User Manual
1.2.7 Calling without Restrictions