Outside Calls: Scenario - Lucent Technologies MERLIN LEGEND Release 6.0 Network Reference Manual

Table 2–11. Outside Calls: Scenario 2
Originating or
Receiving System Dialed Digits

System C: Ext. FRL: 2

System C: Ext. FRL: 0

System D: System D
barrier code with FRL of
remote access user dials
3; upon hearing dial tone,
System D on GS line
dials

System D: Ext. FRL: 4


System C: Receives
outside dial-plan routed
PRI 2B data calls at
combined speed of 128
kbps.
<
= Call sent over tandem trunks
Local Routing
 
 
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 2, prepends 9
Route 2: If all lines in Route 1 are busy,
ARS Area Code Table routes to local
PSTN pool, FRL 5, call prohibited for this
user. Call denied
 
 
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 2, call prohibited
for this user. Call denied
 
  Ã plus
System D searches local dial plan, finds
number in non-local dial plan and routes to
tandem trunk pool, UDP Pattern 1, Route

1, FRL 3
 
 
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 1, prepends 9
Route 2: If all lines in Route 1 are busy,
ARS Area Code Table routes to local
PSTN pool, FRL 4.
 
System C PRI dial-plan routing deletes 555,
checks local dial plan, then finds number in
non-local dial plan. Routes via non-local dial
plan Pattern 2 to tandem data pool, Data
<
only Call denied because of bearer capa-
bilities
|
= Call sent over PSTN
<
<
<
|
= Call ends
Non-Local Routing
Route 1, System D: Remote access FRL
3. ARS absorbs 1650, routes to PSTN
pool. |
System C: Call received at Ext. 4632.
Route 1, System C: Remote access FRL
3. ARS absorbs 1312, routes to PSTN
pool. |
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