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

Table 2–17. Outside Calls: Scenario 3
Originating or
Receiving System Dialed Digits

System J: Ext. FRL: 1
 
System J: Ext. FRL: 2

System K: Ext. FRL: 2

System M: Ext. FRL: 2

DID call arrives at
System K
<
= Call sent over tandem trunks
Local Routing


Route 1: ARS Local Exchange Table routes
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.
 
 
Route 1: ARS Area Code Table routes to
local PSTN line/trunk pool, FRL 5. Call
denied
 
 
Route 1: ARS Area Code Table routes to
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.
 
 
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


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
| = Call sent over PSTN
Non-Local Routing
Route 1, System K: Call is routed here for a
<
lower cost local call. ARS absorbs no digits,
routes to PSTN pool.
|
No routing over network
Route 1, System L: ARS absorbs 4 digits
<
(1202), routes to PSTN pool.
Route 1, System L: ARS absorbs no digits,
<
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.
System L: Voice call arrives at Ext. 6032,
displays as outside call on tandem trunk:
QSDUSFÃ
= Call ends
|
|
|
Ã
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