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MERLIN LEGEND Communications System Release 6.1
Network Reference
555-661-150
Issue 1
August 1998
Call-Handling Scenarios
Page 2-87Network Configuration Scenarios
2
Table 2–22. Outside Calls: Scenario 4, Continued
Originating or
Receiving System Dialed Digits Local Routing Non-Local Routing
DID call arrives at
System F
System F DID receives 5438, checks
local dial plan, then finds number in non-
local dial plan. Routes via UDP Pattern 1
to PRI tandem trunk pool 5260, Voice and
Data
<
System E: Voice call arrives at Ext. 5438,
PassageWay client, which does not
receive ANI.
●
PRI-ANI call arrives at
System F
System F PRI dial-plan routing deletes
555, checks local dial plan, then finds
number in non-local dial plan. Routes via
Pattern UDP Pattern 1 to PRI tandem
trunk pool 5260, Voice and Data
<
System E: Voice call arrives at Ext. 5446,
PassageWay client, which receives calling
party number. ●
Outside call arrives on
System G trunk
programmed in Night
Service group
covered by
centralized VMS/AA.
The system is in Night
Service.
System G: Since system is in Night
Service, call is sent to integrated VMI
calling group 7771 (has VMI conversion
number 6999). The system finds the group
member in the non-local dial plan. Routes
via UDP to tandem PRI trunk pool 8240.
UDP routing absorbs 6999 and prepends
7771 (System E’s centralized integrated
VMI calling group extension).
<
System E: The call rings into the
centralized VMS/AA and is handled by the
automated attendant. ●
Outside dial plan routed
PRI voice call arrives on
System F and the user
is not available;
Integrated VMI calling
group provides
coverage.
System F: 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
member in non-local dial plan. Routes via
UDP route 01 to tandem PRI trunk pool
8361. UDP routing absorbs 6999 and
prepends 7771 (System E’s centralized
VMS/AA integrated VMI calling group
extension).
<
System E: Call rings into centralized
VMS/AA and calling information indicates
an outside call to mailbox 2216. When the
caller leaves a message, the Message
Waiting light update is sent over a private
network PRI D-channel to extension 2216
on System F.
●
< = Call sent over tandem trunks | = Call sent over PSTN ● = Call ends