Lucent Technologies 555-661-150 用户手册
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Table 2–11. Outside Calls: Scenario 2
Originating or
Receiving System
Receiving System
Dialed Digits
Local Routing
Non-Local Routing
System C: Ext. FRL: 2
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 2, prepends 9
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
ARS Area Code Table routes to local
PSTN pool, FRL 5, call prohibited for this
user. Call denied
●
Route 1, System D: Remote access FRL
3. ARS absorbs 1650, routes to PSTN
pool.
3. ARS absorbs 1650, routes to PSTN
pool.
|
System C: Ext. FRL: 0
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 2, call prohibited
for this user. Call denied
tandem trunk pool, FRL 2, call prohibited
for this user. Call denied
●
System D: System D
remote access user dials
System D on GS line
remote access user dials
System D on GS line
plus
barrier code with FRL of
3; upon hearing dial tone,
dials
3; upon hearing dial tone,
dials
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
number in non-local dial plan and routes to
tandem trunk pool, UDP Pattern 1, Route
1, FRL 3
<
System C: Call received at Ext. 4632.
●
System D: Ext. FRL: 4
Route 1: ARS Area Code Table routes to
tandem trunk pool, FRL 1, prepends 9
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.
ARS Area Code Table routes to local
PSTN pool, FRL 4.
|
Route 1, System C: Remote access FRL
3. ARS absorbs 1312, routes to PSTN
pool.
3. ARS absorbs 1312, routes to PSTN
pool.
|
System C: Receives
outside dial-plan routed
PRI 2B data calls at
combined speed of 128
kbps.
outside dial-plan routed
PRI 2B data calls at
combined speed of 128
kbps.
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
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 tandem trunks
|
= Call sent over PSTN
●
= Call ends
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