
74 Chapter 4 Application Resources overview
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Setting values for application resources
For all applications, you can modify the minimum and maximum values. The minimum values
reflect the number of resources that will always be reserved for a particular application, while the
maximum reflects the maximum instances of an application the system will allow at once. If an
application attempts to use system resources and the system is already supporting the maximum
for that application, the service will be declined, regardless of whether there are sufficient
resources available. A value of MAX is also acceptable, which sets the maximum number of
applications allowed to the maximum number possible. For example, the System Maximum for
Media Gateways is 80. If the Maximum value for Media Gateways is set to MAX, then the system
allows up to 80 Media Gateways at once, as long as sufficient resources are available.
Changes pending
In some cases, a change you make to the application resources panel may not be able to take effect
immediately. For example, if you change the number of conference calls allowed from three to
two, while there are three calls in progress, the resource allocations will not change until after one
of the calls has been disconnected. In a situation where the changes cannot be made immediately, a
checkmark appear in the Changes Pending box, and you can view details of these changes by
clicking on the application and viewing the details below.
IP set resources
Because there is no circumstance where the number of IP sets on the system would exceed the
available resources, there is generally no need to modify the resources for this application.
However, if you want to limit the number of IP set connections, you can change the maximum
value.
IP trunk resources
Because there is no circumstance where the number of IP trunks on the system would exceed the
available resources, there is generally no need to modify the resources for this application.
However, if you want to limit the number of IP trunk connections, you can change the maximum
value.
Media gateway resources
Media gateways require DSP resources. Because there is often a slight delay in allocating the DSP
resources, you may want to set the minimum to 2 or more. This will ensure that there is generally
no delay in setting up the media gateway.
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