Use the DSP Usage window to view DSP resource usage statistics.
On the
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main screen, go to Monitoring > System > Category: Hardware Status > DSP Status > DSP Usage or All > System > DSP Status > DSP Usage
The DSP Usage window opens. A portion of the window is shown below.
Figure 1: DSP Usage Window
The following output is displayed:
Table 1: DSP Usage Statistics
| Parameter | Description |
|---|---|
| System Name | The node name. |
| Slot1Resources Utilized | Raw count of DSP resources (channels) in use on each slot to indicate which slots are loaded and to what extent, in case card removal/hot swap is necessary. |
| Slot2Resources Utilized | |
| Slot3Resources Utilized | |
| Slot4Resources Utilized | |
| Compression Total | Maximum number of compression resources on the server (before loading, so this number is static). This essentially equates to the total number of G.711 resources before loading (lightest codec). |
| Compression Available | Actual compression resources currently available in real time. This essentially equates to the total number of G.711 resources after loading. |
| Compression Utilization | Percentage of compression resources in use (accounting for various codec weights). This can be calculated using the formula (Compression Total – Compression Available) / Compression Total). |
| Compression High Priority Utilization | Percentage utilization of compression resources used for high priority calls on this server. |
| Compression Alloc Failures | Running count of resource allocation failures due to resource exhaustion. |
For each DSP codec, the table includes a <codec> Total and <codec> Utilization column. The <codec> Total column indicates how many transcoding sessions the system can support for that codec to G.711. NOTE: For compressed-to-compressed transcoding, two resources are required, one for each codec. The following codecs appear:
NOTE: For the purpose of collecting statistics, AMR-NB T.40 and AMR-WB T.140 are considered as separate codecs, and are listed in the DSP Usage List pane. For more information, refer to Show Table System and Audio Codecs | |
| Tone Total | Total tone resource capacity on this server. |
| Tone Available | Number of tone resources currently unused and available on this server. |
| Tone Utilization | Percentage utilization of tone resources on this server. |
| Tone High Priority Utilization | Percentage utilization of tone resources used for high priority calls on this server. |
| Tone Alloc Failures | Percentage of tone resource allocation failures on this server. |
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