Calls Originating In The Private Network - Nortel Modular ICS 6.0 Installer's Manual

116 / Private networking using PRI SL-1
Received Destination
Node A Ottawa
PSTN

Calls originating in the private network

Received Destination
Node B Node B
Node A Ottawa
PSTN
Modular ICS 6.0 Installer Guide
Description
User in Calgary dials a 761-xxxx number which is
answered with DISA. User enters a COS
password and an Ottawa public network number.
Incoming interface: Public
DN type: Public
Destination: Local (DISA DN)
Node A receives it and identifies it as being for C.
Uses the private trunk to route the call to C.
Incoming interface: Local (DISA user)
Destination: Remote PSTN
Node C receives the call and identifies it as a
public number and routes it out over the local
PSTN.
Incoming interface: Private
Destination: Local PSTN
Description
DN is internal, therefore no trunk routing is
required.
Incoming interface: Intercom
DN type: Local
Destination: Local
User in Node A dials the private network access
code for Node C, followed by an Ottawa public
number.
Incoming interface: Intercom
DN type: public
Destination: Remote PSTN
Node C receives the call and identifies it as being
for the public network. Node C routes the call over
the local public network.
Incoming interface: Private
DN type: Public
Destination: Local PSTN
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