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MERLIN LEGEND Communications System Release 6.1
Network Reference
555-661-150
Issue 1
August 1998
Call-Handling Scenarios
Page 2-69Network Configuration Scenarios
2
Table 2–17. Outside Calls: Scenario 3, Continued
Originating or
Receiving System Dialed Digits Local Routing Non-Local Routing
Two outside dial-plan
routed 64-kbps PRI 2B
data calls arriving at
System M
dialed twice
For each call System M PRI dial-plan
routing deletes 555, checks local dial
plan, then finds number in non-local dial
plan. Routes via UDP Pattern 8 to PRI
tandem trunk pool 8760, Data, at 64 kbps,
FRL 3.
<
System L: Routes each call to PRI
tandem trunk pool 5335 via Pattern 5 and
Route 1 at 64 kbps, FRL 3 < connected to
System K: Ext. 5781, digital 2B data
workstation FRL 3
●
System K: Ext. FRL 2,
2B data calls
dialed
twice
Route 1: For each call ARS Area Code
Table routes to tandem trunk pool 6249 at
64 kbps, FRL 1, prepends 9.
<
Route 2: For each call ARS Area Code
Table routes to local BRI PSTN line/trunk
pool at 64 kbps, FRL 4, call prohibited for
this user.
●
Route 1, System L: ARS absorbs 1202,
routes to PSTN PRI line/trunk at 64 kbps.
|
Outside dial-plan routed
PRI voice call arrives at
System K and user is
not available. Integrated
VMI calling group
provides coverage
System K: PRI dial-plan routing deletes
555, checks local dial plan. Since user is
not available, call is sent to integrated VMI
calling group 7771 (has VMI conversion
number 6999). The system finds the VMI
conversion number in the non-local dial
plan. UDP routing absorbs 6999 and
prepends 7771 (System L’s centralized
integrated VMI calling group extension).
Routes via UDP to tandem PRI trunk pool
8761.
|
System L: Call rings into centralized
VMS/AA and calling information indicates
an outside call for mailbox 5544. When
the caller leaves a message, the Message
Waiting light update is sent over the PRI
signalling D-channel to extension 5544 on
System K.
< = Call sent over tandem trunks | = Call sent over PSTN ● = Call ends