PE-BCHL (PRI Endpoint Port)
Issue 4 May 2002
10-1219555-233-123
Service State Audit (#256)
As is noted in the general description for PRI Endpoint Port, these ports may be in
one of several service states as defined by the ISDN-PRI Specification. This test
performs a service state audit with the far-end terminal adapter to ensure that
both sides agree on the service state.
A PASS for this test simply means that an audit message was successfully
composed and sent out to the far-end terminal adapter. The ISDN Specification
allows up to two minutes for a reply. If no reply is received within that two minute
window, this switch automatically tries once again. If that attempt fails, an error is
logged (Error Type 3073), and the switch attempts a recovery by automatically
retrying approximately every 15 minutes. If the port was initially in the INS
(in-service) state, it is now placed into the MTC/FE (maintenance state, far-end
problem) state. Until a Service State Audit attempt is successful, no outgoing calls
are placed over this port, but incoming calls are be accepted. The service state of
this port does not affect the service state of other ports in the PRI Endpoint. If an
incoming call that uses this port is presented while in such a state, a Service State
Audit attempt is immediately attempted (that is, the switch does not wait for the 15
minute cycle, but instead tries to recover immediately). To investigate the status of
this PRI Endpoint Port, issue the status pri-endpoint <extension> command.
Table 10-456. TEST #256 Service State Audit Test
Error
Code
Tes t
Result Description/Recommendation
1113 ABORT The signaling link has failed. As a result, the system cannot
send any messages on behalf of this port.
1. Check the results of Test #255 (Signaling Link State
Check).
1117 ABORT A service state audit message is outstanding.
1. Wait two minutes and try again.
1700 ABORT Rollabout video abort. The PRI terminal adapter associated
with this PRI endpoint extension is detached from the circuit
pack. This is a normal abort when the rollabout video feature is
enabled. To complete the test on this port, do one of the
following:
1. Re-attach the disconnected PRI terminal adapter, or
2. Disable the rollabout video feature on this circuit pack by
entering the change ds1 PCSS command, and set the
field “Alarm when PRI Endpoint Detached?” to “y.”
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