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ACT
RANDB
END
OHD
Parity
Global action field.
4 binary characters required.
The 16 least significant bits of the 32 bit RAND variable stored by a mobile for use in the
authentication process.
16 binary characters required.
End indication field.
•
Set to 1 to indicate the last word of the overhead message train.
•
Set to 0 if not the last word.
1 binary character required.
This field displays the overhead message type.
•
A '100' indicates a global action message.
•
A '110' indicates this is the first word of the system parameter overhead parameter
message.
•
A '111' indicates this is the second word of the system parameter overhead message.
3 binary characters required.
Parity field. The contents of the Parity field cannot be set by the user. The Test Set
calculates the parity bits.
Chapter 8, Programming The Call Processing Subsystem
CALL BIT Screen Message Field Descriptions
587
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