ATT System 25 Administration Manual

TABLE 5-1 Trunk-Type Codes
If the Trunk Type is:
Ground Start, CO
Ground Start, WATS, FX
Ground Start, PBX/CENTREX
Loop Start, CO
Loop Start, WATS, FX
Loop Start, PBX/CENTREX
DID Immediate Dial
DID Wink Start
Auto-in/Auto-out
Auto-in/Immediate Dial-out
Immediate Dial-in/Auto-out
Immediate Dial-in/Immediate Dial-out
Wink Dial-in/Auto-out
Wink Dial-in/Wink Dial-out
Delay Dial-in/Auto-out
Delay Dial-in/Delay Dial-out
* Default Type
† You must select these codes for Centrex operation.Enter
701*
702
705†...

Removing a Trunk
To remove a trunk:1     From the Main Menu prompt, enter 1.
2     At Port =, enter the physical port you want to remove in
the form CSSPP.
3     At Action =, enter 1.
4     At Data =, enter 0.
NOTE: When you remove a trunk, any Display ID associated
with the trunk is also removed.
Display Support
To assign or remove aNOTE: This feature is not administrable for DID trunks.
trunk Display ID:
1     At 
Action =, enter 90.
2     At 
Data =, enter the Display ID (not more than 11
characters,...

Assigning Class of Service to DID Trunks
To assign Class of Service1     From the Main Menu prompt, enter 1.
(COS) to a DID trunk:
2     At 
Port =, enter the physical port to which you want to
assign Class of Service.
3     At 
Action =, enter 3.
4     At 
Data =, enter the Class-of-Service code which is a
number (1, 2, 3, or 4) equal to the number of digits the CO
sends over this trunk.
The default is 3.
Assigning COS to All Other Trunks
To assign COS to allNOTE: This section assumes that your trunks...

TABLE 5-2 Trunk Class of Service (for all trunks except DID)
COS
CODE
0
1
2
3
l
4
5
6
l
l
7
8
9
NIGHTOUTWARDINSHORT
SERVICE
SIGNALING
ONLYDISCONNECT
TT
TT
l
TT
TT
ll
DP
DP
DP
DP
l
l
l
TT
lTTl
10lTTl
11lTTll
12lDP
13lDPl
14lDPl
15lDPll
TT = Touch-Tone
DP = Dial-Pulse
Administering Trunks 5-5 

Class-of-Service Options
Follow the procedures below to assign COS options to this trunk.
Trunk Group Facility1     At 
Action =, enter 4.
Access Code: To assign
2     At 
Data =, if the trunk is in a pooled facility access
this trunk to a trunk
group:group, enter the Facility Access Code (FAC). Enter 0 if
the trunk is not in any group.
The defaults are as follows:
—100 for Loop Start trunks
—101 for Ground Start trunks
—102 for Tie trunks
Dial Access1     At 
Action =, enter 5.
2     At 
Data =, enter 1...

For Directed Night Service, at least one station must be
assigned to receive Night Service calls from this trunk (see
“Administering Voice Stations”).
NOTE: If the trunk is used for Remote Access, it may not be
assigned Directed Night service treatment.
For TAAS Night Service, an external alert must be assigned for
Night Service use.
1     At 
Action =, enter 7.
2     At 
Data =, enter:
-    1 to select Directed Night Service.
-    2 to select TAAS Night Service.
The default is 1.
Delay Announcement:
To...

Trunk Group HuntingFor outgoing calls, each trunk in a trunk group is selected in a
Order (Read Only):
certain sequence. The value returned from this action/data pair
tells you what position in the list this trunk occupies (e.g., first,
second, third ...). The order in which trunks are used is the
reverse of the order in which the trunks were assigned. For
example, if you installed four trunks in the order 1, 2, 3, and 4,
those trunks would be used in the order 4, 3, 2, and 1.
At 
Action =, enter 10....

Assigning Trunk Options for a SLAC System
The following options apply only to systems using the Switched Loop Attendant Console
(SLAC), and are not administerable for DID trunks:
To set the priority of a
trunk to ring in the1     At 
Action =, enter 11.
2     At 
Data =, enter a trunk priority number, 0-7:
attendant-console queue
—1 for highest priority
Specify which Attendant
should receive calls from
this trunk:
—7 for lowest priority
—0 for the trunk will not ring in the queue
The default is 0.
1...

Administering Auxiliary Equipment
This section discusses how to assign and remove AT&T System 25 auxiliary equipment
associated with special ports. It assumes you understand what special equipment is required and
that you have read the System 25 R3 Implementation Manual and/or the System 25 R3 Reference
Manual to understand which circuit boards you require to connect this special equipment. See the
“Special Feature Port Type Codes” table in the “Command Reference” chapter.
For all procedures in this...

To assign a Paging
Zone access code:1     Follow the procedures stated on page 6-1.
2     At 
Action =, enter 1.
3     At 
Data =, enter
- 1301 for Zone 1
- 1302 for Zone 2
- 1303 for Zone 3.
4     You see the prompt 
Action = 2.
5     At Data =, enter an access code (PDC) for this zone, or 0
for none.
6     Type a and at Action =, enter 1 to dial restrict the zone, or
0 for no dial restriction.
To assign an All-Zone1     Follow the procedures stated on page 6-1.
access code (if more
2     At 
Action =,...