Scenario 4: Facilities Planning, Calls Originating Within The Network And Going To The Pstn, Systems F And G - Lucent Technologies MERLIN LEGEND Release 6.0 Network Reference Manual

Table 2–21. Scenario 4: Facilities Planning, Calls Originating within the Network and Going to the PSTN, Systems F and G
Component System F: Spokane, WA (Area Code: 509)
MERLIN LEGEND-PBX
DS1 Switch Type
Switch Identifiers
01 for a system more than 200 miles away (System E)
Programmed on
This System
ARS Routing:
Digit string: 1509: Area Code Table, Route to pool(s) of
Calls to Local or local PSTN facilities, FRL=0, Absorb=4
Nearby Area
Codes
ARS Routing: For primary routes serving calls to area codes 410, 703,
and 512, the FRLs are set to low values.
Calls to Area Code
of Non-Local
The FRL is higher for primary routes to areas near but not
System or to Area
in the same area code as one of the other network
Codes Near
systems. For instance, a 703 area code route via a
Non-Local System tandem PRI pool has an FRL of 1.
(Absorb = 0)
Secondary routes using the PSTN have FRLs as high
as 6.
System G: Austin, TX (Area Code: 512)
Not applicable for tandem tie trunks
01 for a system more than 200 miles away (System E)
Digit string: 1512: Area Code Table, Route to pool(s) of
local PSTN facilities, FRL=0, Absorb=4
For primary routes serving calls to area codes 410, 703,
and 509, the FRLs are set to low values.
The FRL is higher for primary routes to areas near but not
in the same area code as one of the other network
systems. For instance, a 301 area code (Maryland) route
via the tandem tie pool has an FRL of 2.
Secondary routes using the PSTN have FRLs as high
as 6.