In the Cisco Unity voice mail server, users often receive error
messages that say Cisco Unity is out of voice mail ports when they try to
retrieve their voice mail messages through ViewMail for Outlook (VMO). This
issue can occur due to improper distribution of voice mail ports in the Cisco
Unity server. In order to resolve this issue, monitor the port usage and
analyze the past records of the port usage to make appropriate changes with
more license requirements.
Cisco recommends that you have knowledge of these topics:
The information in this document is based on the Cisco Unity 4.x.
The information in this document was created from the devices in a
specific lab environment. All of the devices used in this document started with
a cleared (default) configuration. If your network is live, make sure that you
understand the potential impact of any command.
Technical Tips Conventions for more information on document
In Cisco Unity users can receive error messages that say there are no
available voice mail ports within the VMO application in Microsoft Outlook.
Before you proceed to upgrade the Cisco Unity server or increase the number of
voice mail ports, it is advised to determine the voice port usage over
The voice port usage can be monitored with two tools in Cisco
The Port Usage Analyzer tool can be used in order to obtain
information, such as call duration, call forwarding, and phone system transfers
into Cisco Unity, as well as external sources of information such as phone
system reports or call detail records. This data can be used in conjunction
with the data collected from the Cisco Unity system in order to form a complete
picture of phone system activity during the monitored period. The Port Usage
Analyzer can be reached through Start >
Programs > Unity > Cisco Unity
Tools Depot and then expand the Reporting
The Port Usage Analyzer tool is a suite of 4 reports designed to give
you a better idea of the call traffic loads you Cisco Unity servers experience.
Reports are generated in a graphical chart style for easy analysis and can also
be saved in simple CSV files if desired.
Complete these steps in order to see each of the four available
Click Browse in order to browse to the logs
directory for Commserver. If you run the Port Usage Analyzer on the Cisco Unity
server, this is the default directory. If not, the directory can be found under
\Commserver\Logs. The Port Usage Tool looks for files named
data_AVCsMgr_*.log, so if you plan to copy the log files to
another box for archiving purposes, be sure to get these data files. When you
choose a directory, the Select Day drop-down list is automatically populated
with all days for which logging information is available in that
Click Select Day, and choose the day you wish to
run the report against.
Click Load Data. A progress bar shows status while
the log file is processed into the database from which data for the reports is
generated. When complete, a dialog box appears that gives summary information
about the data found in the log, which includes the total number of inbound and
outbound calls and the types of outbound calls found.
Click the tab for the report you want to see, and click Run
Report. A separate window opens that shows the graph for that
Cisco Unity has two status monitors: the web-based Status Monitor and
the Port Status Monitor that is located in the Switch Integration Tools
directory of Tools Depot. Both are useful as troubleshooting tools. However,
the web-based status monitor is not intended to be run for long periods of time
due to the significant amount of the system resources it utilizes. The
web-based status monitor automatically times out after 20 minutes of use while
the Port Status Monitor application does not adversely impact system
performance and can be run for as long as necessary in order to monitor call
activity and troubleshoot a problem.