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Programming
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Solutions:
•
Always use sub-audible decode for enabled short sign-on users. All short sign-on's use sub-
audible decode to define them as unique.
•
Always put short sign-on users at low user numbers in the database. If you use Short sign-on
without sub-audible decode, any disabled user with short sign-on may be a conflict. The ANI
search routine stops at the first valid match. The default ANI is “*”, Short sign-on with no sub-
audible decode and disabled.
•
Never use steering digits for short sign-on users; in other words don't enable multiple privileges
for short sign-on users
Wild ANIs present a unique twist to defining what is a conflict and what is not. Wild ANI allows a
block or range of sequential ANIs to access the Model 748 under a single user (radio) entry. To
exclude a sub-range of that block means that a possible conflict exists. The Model 748
accommodates this in its conflict checking routine by doing a digit for digit comparison. Since the
defined sub-set in a Wild ANI system will look unique (length is the same but not all the digits) the
ANI is allowed in as unique.
SYSTEM EXAMPLES
To illustrate some of the programming concepts discussed above, we will show some examples of
Short sign-on, Multi-digit ANI, Steering digit applications and Wild ANI systems. Before trying any
of the examples, go to the Diagnostic Menu and reset the Model 748 to factory defaults, both System
and User.
Short Sign-on
Our example system for Short sign-on is an in-plant system connected to the PBX at a
manufacturing facility. Multiple user groups are supported including Maintenance, Manufacturing
and Security. Radios are primarily handheld transceivers, some with DTMF keypads. User groups
are separated by sub-audible tone/code. Security and Maintenance have dispatch enabled for
communications between radios within each user group. Mobile-to-Phone calls can be initiated to
others in the plant through the PBX. Mobile-to-Mobile calls can be initiated to allow
communications between user groups (who are on different sub-audible tone/code).
Users in general are not very knowledgeable and only receive basic instruction on the radio's
operation. The requirement here is that it be simple to use. Short sign-on and COR to answer is the
way to do this. User operation is straight forward:
•
“*” gets dial tone from the PBX (Mobile-to-Phone)
•
“7” to call another user group (Mobile-to-Mobile)
•
PTT to answer (PTT)
•
“#” to disconnect (disconnect ANI)
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