Instruction manual
Features for the MERLIN systems
Issue 9 May 2003
6-3
Disallowed list x x x x x x Default is List 7
Facility restriction 
levels (FRLs)
x x x x x Levels 0 through 6; 
ARS related
Forced entry of 
account codes
x x x x x x Affects only outgoing 
calls
Night service x x x x x Whenever Night 
Service is on and 
Shared Remote Access 
is administered, calls 
normally routed to 
internal stations are 
provided remote access 
treatment.
Reliable/ 
unreliable 
disconnect
x x x x x x “Un-reliable” setting 
allows the user to dial 
without system 
screening if the far end 
disconnects.
Remote access x x x x x Access controlled by 
restrictions associated 
with the barrier codes.
Remote access 
kill after “n” 
attempts
xx x x xxN=3
Remote call 
forwarding
xxxxx
Restrict incoming 
tie lines
* x x x x x MII (*) allows access to 
stations only on ML; 
default prohibits access 
to outgoing facilities via 
tie lines; access is 
allowed if the tie line is 
set for Remote Access, 
but access is controlled 
by an assigned barrier 
code.
Table 6-1. MERLIN II and MERLIN LEGEND security features — Continued 
Features
MII 
R3
ML 
R1.0/ 
1.1
ML 
R2.0/ 
2.1
ML 
R3.0/
3.1
ML 
R4.0/ 
4.1/ 
4.2
ML 
R5.0 Comments
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