Nortel 1000 Features And Services Fundamentals page 309

Simple Call - Meridian 1 Proprietary Sets
Set A, the calling party, initiates a call to Set B, the called party. Set B has
Class of Service Malicious Call Trace Allowed (MCTA) configured. With
Called Party Control on Internal Calls (CPCI) activated, Set B can activate
Malicious Call Trace even after Set A has gone on-hook. This operation
is possible because Set A is not idled until Set B has gone on-hook.
Depending on the type of telephone, CPCI activation is done by completing
the following:
Step
1
2
3
With Called Party Control on Internal Calls, Set B can activate the Malicious
Call Trace feature during an active call between Set A and Set B as well as
after Set A has gone on-hook. Set A is not idled until Set B goes on-hook.
Simple Call - Analog (500/2500 type) Sets
Step
1
2
3
4
Conference Call
When the calling party and the called party both are involved in a conference
call then the following operation is observed:
1. A party that called a set with CLS MCTA is only allowed to release if the
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.
Action
Enter the SPRE code and "83" access code;
Dial the Malicious Call Trace (MCT) Flexible Feature Code (FFC) or
Activate the Call Trace key.
Action
Flash the switchhook. A special dial tone is heard that signifies the
call is on hold.
Enter the SPRE code and "83" access code.
Dial the Malicious Call Trace Flexible Feature Code.
Go on-hook.
called party has gone on hook and no other conferee has CLS MCTA or
all remaining conferees were originators of a CPCI call.
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008
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Feature operation 309