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Troubleshooting List of Error messages
6
Cause Code Description Event
18E1 Called Party is
busy
NCS is rejecting the call because the
specified MES ID is in the "MES busy" list
at the NCS, and is listed as being busy
with a call through the same LES as that
now requesting a "call announcement"
addressed to that MES
18E2
18E4
18E5
1C61
1F01 Normal
(not shown in
the handset)
LES is clearing the call because of the
receipt of "on-hook" signalling from the
relevant terrestrial circuit.
1F11 Called Party is
busy
LES is clearing the call because the
terrestrial called party is engaged (busy)
1F21 No User
responded
LES is clearing the call because
appropriate "off-hook" signalling from the
terrestrial called party has not been
received by the LES within the allowed
time limit
1F61 Destination
out of order
LES is clearing the call because of the
detection of a failure in the relevant
terrestrial circuit
1F62 Normal The LES is clearing the call because the
terrestrial calling party or the terrestrial
network has cleared the call before the
102 May 2005