ADTRAN 25 manual Trunk Call Dropped a call that

MAINTENANCE

ERROR MESSAGE				POSSIBLE SOLUTION
AND DESCRIPTION
Trunk Call Dropped: A call that				Normally,	no	action	required;
had been up on a trunk for more				however,	if	problem	persists,
than 9 hours has been detected				perform trunk test call per Trunk
by an audit and dropped. The				Troubles procedure in this Part.
port associated with the error				Also, check the CO disconnect
identifies the trunk in question.				and trunk timing.
Trunk Call Too Long: An audit				This error is removed when a
found a call that had been up on a				“Trunk Call Dropped” error is
trunk for more than 5 hours and				logged. Normally, no			action is
logged this error to alert the user				required, and system will recover
of it.				in 4 hours. However, if a problem
				does exist, check the associated
				trunks per Figure 4-3.Also check
				for a trunk to trunk call.
Unable	To	S e n d	Down-link	If problem persists, check or
Message:	Down-link		message	replace CPU/Memory CP.
queue is full. This condition
means that messages to CPs may
be lost.
Unexpected		C o m m a n d :		Recoverable; no action required.
(STARLAN Interface			CP) This
error is	an	isolated	transient
condition.
Unexpected interrupt: (STARLAN				Normally,	no	action	required;
Interface CP) This error is an				however, if this error occurs too
isolated transient condition.				frequently, a permanent alarm will
				be generated and the CP should
				be checked.

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