Reg Id Message Fields - HP 8920A User Manual

Chapter 6, Call Processing Subsystem
CALL BIT Screen Message Field Descriptions
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OHD
Parity

REG ID Message Fields

Figure 41 REG ID Message Fields
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End indication field.
• Set to 1 to indicate the last word of the overhead message train.
• Set to 0 if not the last word.
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.
Parity field. The contents of the Parity field cannot be set by the user. The Test Set
calculates the parity bits.
This field identifies the received message as an order confirmation, an order, or a
called address message.
Digital color code field.