Nortel Communication Server 1000 Manual page 31

Figure 7
Digit conversion, node A and node B
The digits which are analyzed at node A, "5841xx", equate to the local
steering code "584". The two leading digits are deleted to give the node
A local extension number.
When another Special Number is dialed from node B, the digit
manipulation at node B and the INST on the DPNSS1 route at node
A combine to generate a trunk steering code which routes calls to the
DASS2 route. This is shown in
code" (page
Figure 8
Generation of a trunk steering code
31).
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
Numbering plans for DASS2 routes 31
Figure 8 "Generation of a trunk steering