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Injinite
4096
Hy?Md
Key Telephone
System
CO LINE A'ZTRIBUTES
PROGRWIKING
CO LINE PROGRAMMIX
G
(Cont'dl
H.
class
of Service
(COS) Programming
Progr'amming
Steps
1. Press the COS flexible button
(Button
#8).
2. Enter a one-digit
value between
1-5 which
corresponds
to five possible
class of sew-
ice to which
a line may be assigned:
COSl=
No restrictions.
COS2= Table
A
governs.
Station
COS 2 and
4 are monitored.
COS3= Table B governs,
Station
COS 3 and
4 are monitored.
COS4= Restricts
O,l,*,#
dialed as first digit
and places a seven digit dMing
limitation.
In addition,
l-800.
19 11,
and 1611 are allowed and411.976.
and 555 numbers
are denied.
COS5= Overrides
station
COS 2.3.4, and 5
Description
COS. Through
assignments
of a CO Class of
Service the assigned CO line will either interact
with
a station
Class
of Service,
provide
a
'canned'
restriction
or provide
unrestricted
dialing capabilities.
(When a CO line is marked
PBX COS restricttons
apply to the station
only
if one of four codes are dialed f3rst.)
Refer to Table 720-I
for CO to Station
COS
relauonship.
Default:
By default,
all CO lines are assigned
Class of Service 1.
Related
Programming:
Station
Class of Serv-
ice programming
(Sec. 730).
Toll Table
pro-
gramming
c3ec. 750).
and allows unrestricted
dialing.
3. Press the HOLD button
to enter data.
Table 720-l
class of Semite
(COS)
I
CO LINE CL4S.S OF SERVICE
1:. :. .: ..::::: :.,.: 1:: . . . . . . . .:. .-:i.gzj.:..~.
.: :,
2. .::j:, .:<ij . p.:--: j :... ;::ji:j:,::.
:.x&::. :: : ., 2. .I ... -: .:. .::.. .:;;>
.,:..:..: ..:::.
q-,:::;.;.,:i.:
.:. . . . . .:: : y::;:;-:f
::,: .;:<l;: .l_i:i:...5~:.i""".':"::i:::~
1 Restriction*
)
S
T
A
C
0
S
,jj: $l.,:r.+$:.
..:.
Table
A
Table
A
Unrestricted
Canned
Unrestricted
::j::::: .. . . . .
., :.
RestrkUon
':::.:.,.:., .:. ;:
i:iil:~.:;;~':i'-i--a:iii:i-::
+$j:.- : Table B
Unrestricted
Tabie B
Canned
Unrestricted
.:' ....:...:j .,..
ResmcUon
.;:::I ::.
Table
A
. . . . . . .. .A:',.' j.. '.':-'--I Tables A&B
Table B
Canned
Unrestricted
Restriction
Canned
Canned
Canned
Unrestricted
Restriction
Restriction
Restriction
Restriction
Intercom
Intercom
Intercom
Intercom
only
OIllV
onlv
OlllY
*Canned
RestrlcUon=
No '0'. 1, #, '*' as a first dialed digit. and 7 digits maxllnum
plus
l-800.
1911, 1611 are allowed
and 411, 976. and 555 numbers
are denied.
Issue
1, January
1992
720-5
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