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D-9
D-9
General Description
This feature permits any station user to gain access to the public network without the assistance of the
Attendant, by dialing an access code and receiving a Second Dial Tone. The user may then proceed to
dial the desired public network number.
Operating Procedure
To place an outside call:
1.
Go off-hook; receive Dial Tone,
2.
Dial the trunk access code (usually "9"),
3.
Receive Second Dial Tone from Central Office,
4.
Dial the desired telephone number,
5.
If the call is denied for any reason, Reorder Tone is heard.
Service Conditions
1.
Outgoing connection restriction can be assigned on an individual station basis. Refer to CLASS
OF SERVICE - INDIVIDUAL [C-15].
2.
TOLL RESTRICTION - 3/6-DIGIT [T-7] may be applied to DIRECT OUTWARD DIALING.
3.
Various types of trunks (FX, WATS, tie, CO, etc.) can be directly accessed by stations using this
feature.
4.
The trunk group access code is limited to a maximum of three digits (only when the SPEED
CALLING [S-3, 3D, 21, 23] service is required).
5.
Use of the DOD feature can be denied on a per-trunk group basis when the following restrictions
are active on the originating station line.
•
Fully Restricted Stations: Direct Outward Dialing attempts are routed to Reorder Tone
when the station is fully restricted.
•
Restriction from Outgoing Calls: A station assigned this feature is denied the ability to dial-
access preselected trunk groups.
•
HOT LINE [H-1]: Exchange network call completion using this feature is not permitted. The
originating station can only be routed to the ATTENDANT CONSOLE [A-3] or another sta-
tion when going off-hook.
•
MISCELLANEOUS TRUNK RESTRICTION [M-3]: Preselected station lines are denied ac-
cess to preselected miscellaneous trunk groups, the station is routed to Reorder Tone
when the station attempts to originate a call on the trunk group.
•
TOLL RESTRICTION: Level of this feature restricts unauthorized station lines' ability to
complete outgoing Central Office or Foreign Exchange calls to specified areas or office
codes within an area.
•
TOLL DENIAL: A station with Toll Denial is routed to Reorder Tone when a 0 or 1 is dialed
as the first digit after the trunk access code has been dialed.
Interactions
The COT circuit card is used for all ringdown trunks. This circuit card is equipped to interface with Central
Office circuits and may be used for either loop start or ground start trunks.
Page 202
Direct Outward Dialing (DOD)
Direct Outward Dialing (DOD)
NEAX2400 ICS Business Features and Specifications
NDA-24143, Issue 4
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