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Troubleshooting List of Error messages
6
Cause Code Description Event
commencement of the call) within the
allowed time limit
1790 LES is clearing the call because of a
malfunction in the credit card validity
checking database or in the
communications links thereto
1791 LES is clearing the call because of a
malfunction in the authentication checking
database or in the communications links
thereto
1811 Called party is
busy
NCS is rejecting the call because the
specified MES ID is in the ”MES busy” list
at the NCS.
1841 Call cleared, NCS initiated preemption for
incoming Pri 1 call
1842 Call cleared, NCS initiated preemption for
incoming Pri 2 call
1843 Call cleared, NCS initiated preemption for
incoming Pri 3 call
1844 Call cleared, NCS initiated channel
preemption
1851 No
circuit/channel
available.
NCS is rejecting the call because an
appropriate SCPC channel is not currently
available
1852
100 May 2005