Nortel 1000 Features And Services Fundamentals page 313

Periodic Clearing Enhancement
Called Party Disconnect Control can exist on the same system and function
on the same route, but is not to be used in conjunction with Periodic
Clearing.
Periodic Clearing on RAN, Meridian Mail, ACD and Music
This feature enhancement is not supported if used together with Toll
Operator Break-In.
Feature packaging
This feature is included in base system software.
Feature implementation
LD 16 - Define Called Party Disconnect Control for a trunk route.
Prompt Response
REQ CHG
TYPE CDB
xx
CUST
CNTL (NO) YES
...
CPDC (NO) YES
Feature operation
No specific operating procedures are required to use this feature.
Copyright © 1994–2008, Nortel Networks
.
Description
Change existing data.
Customer Data Block.
Customer number, as defined in LD 15
(Do not) change the controls or timers.
(Deny) allow Called Party Disconnect Control for the trunk route.
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008
Feature operation 313