Automatic Network Dialing (AND)
Functional description
AND allows a subscriber to designate preferred digits in trunk access code
and automatically prefixes the designated digits to the external number
that the subscriber dialed first. If a number of connected switches are
operated on a network and a specific switch subscriber tries to call extension
subscriber of the called switch through a couple of transit switches, the
function makes it possible for the call to be automatically transmitted
through the transit switch only by dialing the prefix of the called switch
(trunk access code designated by the calling switch office to call the
switch) or its extension number.
Operating procedure
Service conditions
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A trunk access code can produce a set of AND digits.
Data generation
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Assign of trunk access code
[4.2 Trunk Access Code]
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Assign Trunk Outgoing Line for each Trunk Access Code
[4.2 Trunk access code – Trunk OG Group View menu at each Code]
[ 4.2 Trunk Access Code ? AND Digit]
Interactions
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Alternative Route Selection (ARS)
If ARS selects a trunk of an alternative route, AND digits designated
by the trunk calling group connected to the original trunk access code
remain unused and the designated repeat digits of the selected route are
sent out.
The function, a sort of combination of ARS and AND, not just only simply
provides digit addition through selection of a specific trunk but also
changes and send out digits dialed through digit addition/deletion/replacement.
In general, the function is used if there are a number of communication
service providers that apply different charge rates according to days,
periods of time and call termination zones.
