Technical information

MERLIN LEGEND/MAGIX Toll Fraud
Issue 7 June 2001
5-49
6. Assign all unused auto attendant selector codes to go to either the operator
or the general mailbox.
7. See “Check voice mail ports for Merlin Mail, Merlin Legend Mail, Merlin
Messaging, Audix, Auto Attendant (stand alone), or CPE (customer
provided equipment.), page 5-47” and Make disallowed lists for voice ports,
page 5-47” for other restrictions”.
Auto Attendant – stand-alone.
1. Make ports outward restricted.
2. Restrict transfer to available extensions only (set for lowest and highest
extension digits.)
3. Set the maximum number of digits to match the dial plan.
4. Change the default system password.
CPE (customer premise equipment – PBX [non Lucent/Avaya])
1. Make ports outward restricted.
2. Check with vendor for toll fraud security.
Lines/Trunks.
1. Remote access: see step A. above.
2. Loop start.
a. Reliable disconnect = YES: signal sent by local company.
b. Reliable disconnect = NO: no signal sent by local company.
c. Remote call forward can not be used with reliable disconnect = NO.
d. Trunk to trunk transfer can have problem with reliable disconnect =
NO.
e. T1 does not respond to reliable disconnect.
f. IS3 defaults to reliable disconnect = YES.
g. Toll fraud security can not be assured.
DID (Direct inward dial). Should not end with the same number as the pool dial
out codes (70, 890 – 899)
TIE (400 EM and/or 100D DS1)
1. Outward or toll restrict if possible.
2. ARS restrict.
3. Use barrier codes if possible.
4. Assign disallowed list.
5. Assign allowed list.