Lucent Technologies MERLIN LEGEND Release 6.0 Network Reference Manual page 174

MERLIN LEGEND Communications System Release 6.0
Network Reference 555-660-150
4 Security
Facility Restriction Levels and Remote Access
through, the default COR FRL must be equal to or higher than the remote system
ARS or UDP route FRL, whichever is routing the call next.
1
Extension FRL=2:
Caller dials either 9 plus
number or UDP
extension number.
1
Extension FRL=2:
Caller dials either 9 plus
number or UDP
extension number.
Figure 4–1. Facility Restriction Levels Applied to Network Calls
Table 4–3
default COR FRLs are applied to calls.
System A
2
System A ARS or UDP
routing selects Route 1.
Extension FRL 2> Route FRL 1
System C
2
System C ARS or UDP
routing selects Route 2.
Extension FRL 1= Route FRL 1
provides a quick reference to the way that route and extension or
3
Call is routed over
tandem facility to
System B, another
network system.
3
Call is routed over
tandem facility to
System D, another
network system.
February 1998
Page 4-10
System B
4 5
To PSTN or
to another
network system
System B ARS or UDP
routing selects Route 2. Remote
Access COR FRL 4 > Route FRL 3
System D
4
STOP
System D ARS or UDP routing
selects Route 3. Remote Access
COR FRL 4 < Route FRL 5.
Call is blocked.
Issue 1