Nortel BCM 3.7 Manual page 529

Table 116 Calls originating from the private network within a tandem network (Continued)
Received Destination
Node B Node C
Node B Node D
Description
User on Node B dials a private DN for a user on C.
DN type: Private
Node B recognizes it as being the responsibility of Node A and routes the call over the
private trunk to A.
Incoming interface: Intercom
Destination: Remote node
Node A receives it and identifies it as being for C. Uses IP trunk to route call to C.
Incoming interface: Private
Destination: Remote node
Node C receives the call and identifies it as terminating locally. Uses target line to route
call. (Private received #)
Incoming interface: Private
Destination: Local (target line)
User on B dials a private DN for node D.
DN type: Private
Node B identifies it as being for node A and uses private trunk to route the call to A.
Incoming interface: Intercom
Destination: Remote node
Node A receives it and identifies it as being for C. Uses IP trunk to route call to C.
Incoming interface: Private
Destination: Remote node
Node C receives it and identifies it as being for D. Uses the private trunk to route call to
D.
Incoming interface: Private
Destination: Remote node
Node D receives the call and identifies it as terminating locally. Uses target line to route
call. (Private received #)
Incoming interface: Private
Destination: Local (target line)
Creating tandem private networks
Programming Operations Guide
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