##1413 [ TX/RX ] Fault occurred in the session procedure
Cause
• A fault occurred in layer 5 before the ses-
sion procedure was started for layer 5 (ses-
sion layer). Noise or the like destroyed the
data frame.
##1414 [ TX/RX ] Fault occurred in the session procedure
Cause
• A fault occurred after a connection was
made to layer 5 (session layer). It is likely
that a mistake was made in the order of
transmitted frames.
for layer 5
Remedy
• Check the wiring between the telephone
socket of the ISDN line and the terminal
for poor contact, wire biting, and noise
source; then, start a communication once
again.
• Print out a communications analysis list,
and analyze it.
for layer 5
Remedy
• Start a communication once again.
• Print out a communications analysis list,
and analyze it.
2-201
Chapter 2: Service Error Codes