##1081 [ TX/RX ] Invalid call reference value
Cause
• Cause number #81 (Invalid call reference
value) arrived from the network.
##1082 [ TX/RX ] Identified channel does not exist
Cause
• Cause number #82 (Identified channel does
not exist) arrived from the network.
Chapter 2: Service Error Codes
Remedy
• Start a communication once again.
• Print pout a communications analysis list,
and analyze it.
• Contact the telephone company or the ex-
change manufacturer to find out the nature
of cause number #81.
Remedy
• Start a communication once again.
• Print out a communications analysis list,
and analyze it.
• Contact the telephone company or the ex-
change manufacturer to find out the nature
of cause number #82.
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