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Chapter 6, Call Processing Subsystem
The CALL CONTROL Screen
CC Order
The CC Order field is only visible when authentication is activated on the
AUTHENTICATION screen.
This field is used to send an order on the forward control channel to the mobile
station. There are two orders available:
• The SSD Update order ensures that the data contained in the mobile station and the base
station is identical. At the completion of the SSD Update process the mobile station and
the Test Set will contain identical copies of shared secret data.
The Unique Challenge order challenges the mobile station’s shared secret data through a
series of algorithm data output comparisons. A successful challenge confirms the validity
of a mobile station’s shared secret data.
Chan:
Chan: is divided into two fields:
• The left-hand field displays the voice channel number assignment being used by the
Test Set and the mobile station. A numeric value would only be displayed when the Test
Set’s Connected annunciator is lit (connected state). A “-” is displayed if a mobile
station is not actively connected on a voice channel.
• The right-hand field (highlighted field) is used to enter the voice channel number which
will be assigned to the mobile station by the Test Set as either an initial voice channel
assignment or as a handoff voice channel assignment.
Ch Loc:
This field is displayed only for NAMPS system type.
CH Loc: is divided into two fields:
• The left-hand field displays the current, narrow-analog-channel location assignment in
relation to the standard wide, analog channel. A range of U, M, L, or W is only displayed
when the Test Set’s Connected annunciator is lit (connected state). A “-” is displayed
if a mobile station is not actively connected on a voice channel.
• The right-hand field (highlighted field) is used to enter the channel location range
which will be assigned to the mobile station by the Test Set as either an initial channel-
location range assignment or as a handoff channel-location range assignment.
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