Chapter 2: Service Error Codes
##1053 [ TX/RX ] No connection inside the net possible
Cause
• Cause number #53 (No connection inside
the net possible) arrived from the network.
##1056 [ TX/RX ] The calling number of the wished
Cause
• Cause number #56 (The calling number of
the wished connection has been changed)
arrived from the network.
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 #53.
connection has been changed
Remedy
• Check the other party, and start a commu-
nication 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 #56.
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[German model]
[German model]