[cisco-voip] Unity Application Error and Unity Ports

[Jeff Ruttman]

Greetings,
 
Unity 5 on Windows 2003.
 
In the event viewer, I occasionally get and ugly sounding error:
 
Event ID 550 Source CiscoUnity_Miu
 
Cisco Unity's telephony component has encountered a serious error.
 
No response was received on port 6 while performing a blind transfer.
This is a serious failure, and most likely parties involved in the call
will be disconnected.  In some cases, further calls on this port will
not be handled correctly.
 
It might be a false error according to the bug I've pasted in below
although it was first found in CM version 4.0 and I'm on 6.1.
 
If calls are being dropped, I would expect complaints from end users, so
since I have none, this supports the false positive possibility.
 
Is there a way to directly test individual ports?  I know I can see
ports in use with one of the utilities on the Unity server, but is there
a more direct way to test a specific port?
 
Thanks
jeff

CSCef87786 Bug Details 

AppEvents: CiscoUnity_Miu 550 reported during normal operations 	
Symptom:

CiscoUnity_Miu intermittently throws an event log error (Event ID 550)
when no real failure has occurred. The error description will read
"Cisco Unity's telephony component has encountered a serious error". The
error will also contain an explanation such as:

No response was received on port 2 while performing a blind transfer. 
This is a serious failure, and most likely parties involved in the call
will be disconnected. In some cases, further calls on this port will not
be handled correctly.

Conditions:

This error message can safely be ignored if there was no reported user
impact and the port designated event still accepts calls. It is believed
that this error occurs when a caller hangs up during some critical point
of a blind or supervised transfer. 

Workaround:

None.

Further Problem Description:

CSCef87786 does not address cases where a real failure has caused the
event log error message. If users report failed transfers or a port
ceases to handle calls when a CiscoUnity_Miu 550 error occurs, then
these failures need to be investigated outside the scope of this
CSCef87786. 	
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