LP is Local Partition
XX is the lowest module group in that IMG.
LP12 = the 13th IMG (stack)
LP04 = the 5th IMG (stack)
So you must be a Fusion system or UMG.
The system is told to check for this condition while doing routine diagnostics.
In ASYD Sys 1 Index 89
b4 - Trunk Ineffective Hold Check Note 4, Note 5, Note 6
0/1 = No/Yes
b5 - Trunk Ineffective Hold Detection Note 4, Note 5, Note 6
0/1 = No/Yes
Note 4: When Trunk Ineffective Hold Check or Trunk Ineffective Hold Detection is executed
while bit 0 of ASYDL SYS1 Index 1034 is set to 1, Virtual Register Ineffective Check
is also enabled.
Note 5: There is a limit on the number of CCIS trunks per LP for this diagnostic process to
work. The maximum number of CCIS trunks for each LP is 150 (A maximum of 150
ports can be configured as CCIS trunks).
For an LP where more than 150 CCIS trunks are registered, system message [7-P]
([52H] “Trunk Ineffective Hold Detected Impossible”) is generated, and the diagnostic
task is not executed (For other LPs where no such error is detected, the task is
conducted as scheduled).
Note 6: The setting of CCIS Control System Interoffice Audit Test (ASYD, SYS1, Index 188,
Bit 0: 0/1= Required/Not Required) is valid only when activating TRK Ineffective Hold
Check function of the periodic test, and releases the Ineffective Hold Trunk of self/
destination node.
If there is peer to peer by “CCIS over IP with PHC” service in self office, assign this
system data to “1= Not required”, only Ineffective Hold Trunk is released (Regarding
opposite trunk, depending on whether Ineffective Hold Check is checked or not in
the opposite node).
What it does when it detects the condition is defined in
ASYD Sys 1 Index 86
bit3, bit2
00 = The trunks being held at present are forcibly released, except the trunks being held on two-way calls (station-to-station call, station-to trunk, external trunk-to-external trunk call).
10 = All trunks being held at the present are forcibly released
01 = LENS of the trunk detected display as system message
Data is in the OpsMaint_v9.pdf manual.
There are 10 kinds of people in the World.
Those that understand Binary and those that don't.