Instruction manual
Small business communications systems
6-2 Issue 9 May 2003
— ‘‘PARTNER II Communications System’’ on page 8-21
— ‘‘PARTNER Plus Communications System’’ on page 8-22
— ‘‘System 25’’ on page 8-22
Features for the MERLIN systems
The following table identifies MERLIN II and MERLIN LEGEND security features 
by release number.
Table 6-1. MERLIN II and MERLIN LEGEND security features
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
Automatic route 
selection (ARS)
xx x x xx
Administration 
security
x x x x x 5-character password 
on SPM program
Allowed list x x x x x x 2- to 11-digit code
Barrier code x x x x x x MII: one code, four 
digits
ML R1/R2: 16 codes, 
four digits each, default 
is 16 codes
ML R3/R4/R5: 
16 codes, digits 
increased to 4 through 
11, default is 7 digits
Dial access to 
pools
x x x x x x Factory setting 
specifies no users are 
able to use any pool 
dial-out codes
Direct inward 
system access 
(DISA) 
NOTE: For 
MERLIN Legend 
systems, see 
“Remote Access.”
N/A N/A N/A N/A N/A Users limited to dialing 
inside users or pool/line 
codes; ARS cannot be 
used by DISA callers; 
feature can be set for 
inward access only or 
full access
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