Lucent Technologies 555-661-150 用户手册
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Table 2–17. Outside Calls: Scenario 3
Originating or
Receiving System
Receiving System
Dialed Digits
Local Routing
Non-Local Routing
System J: Ext. FRL: 1
Route 1: ARS Local Exchange Table routes
to tandem trunk pool, FRL 0, prepends 9
to tandem trunk pool, FRL 0, prepends 9
<
Route 2: If all lines in Route 1 are busy, ARS
Area Code Table routes to local PSTN
line/trunk pool, FRL 1.
Area Code Table routes to local PSTN
line/trunk pool, FRL 1.
|
Route 1, System K: Call is routed here for a
lower cost local call. ARS absorbs no digits,
routes to PSTN pool.
lower cost local call. ARS absorbs no digits,
routes to PSTN pool.
|
System J: Ext. FRL: 2
Route 1: ARS Area Code Table routes to
local PSTN line/trunk pool, FRL 5. Call
denied
local PSTN line/trunk pool, FRL 5. Call
denied
●
No routing over private network
System K: Ext. FRL: 2
Route 1: ARS Area Code Table routes to
PRI tandem trunk pool, FRL 1, prepends 9
PRI 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
line/trunk pool, FRL 2, call permitted for this
user.
Area Code Table routes to local PSTN
line/trunk pool, FRL 2, call permitted for this
user.
|
Route 1, System L: ARS absorbs 4 digits
(1202), routes to PSTN pool.
(1202), routes to PSTN pool.
|
System M: 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
Area Code Table routes to local PSTN pool,
FRL 5, call prohibited for this user. Call
denied
●
Route 1, System L: ARS absorbs no digits,
prepends 9, routes to PRI tandem trunk pool
FRL 1
prepends 9, routes to PRI tandem trunk pool
FRL 1
<
connected to System K, which
absorbs 4 digits (1617) and routes to local
PSTN pool FRL 1.
PSTN pool FRL 1.
|
DID call arrives at
System K
System K
System K DID receives 6032, checks local
dial plan, then finds number in non-local dial
plan. Routes via UDP Pattern 2 to PRI
tandem trunk pool FRL 0, 4172, Voice and
Data
dial plan, then finds number in non-local dial
plan. Routes via UDP Pattern 2 to PRI
tandem trunk pool FRL 0, 4172, Voice and
Data
<
System L: Voice call arrives at Ext. 6032,
displays as outside call on tandem trunk:
displays as outside call on tandem trunk:
35,75.
●
<
= Call sent over tandem trunks
|
= Call sent over PSTN
●
= Call ends
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