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This section helps you to understand Egress-specific call admission control configuration for the SIP trunk group.
To View and Edit CAC - Egress
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Go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > CAC > Egress. The Egress window is displayed.
The CAC - Egress can be checked for each Address Context, for each Zone, for each SIP Trunk Group created or for all the Address Contexts, Zones and SIP Trunk Groups created. Use the drop-down box to select the desired Address Context, Zone and SIP Trunk Group.
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The Edit Egress window is displayed.
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Note: An example dialog box is shown here. Refer to the Table below for model-specific allowed values (blue font in the example) for Call Rate Max and Call Burst Max. |
The following fields are displayed:
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Parameter | Description |
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Call Rate Max | Specifies the value of maximum |
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allowed burst in calls |
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/second (above the allowed sustained rate) for egress call attempts. SBC 5xx0 / 5400 / SWe - Range: 1-450, or unlimited. (The default value is SBC 7000 - Range: 1-1,350, or unlimited. (The default value is |
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Note: You can set both | |
Call Burst Max | Specifies the value of maximum allowed burst |
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(above the allowed sustained rate) for egress call attempts |
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in calls |
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/second. |
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SBC 5xx0 / 5400 /SWe - Range: 1-900, or unlimited. (The default value is SBC 7000 - Range: 1-2,700, or unlimited. (The default value is Note: You can set both | |||||
Register Rate Max | Specifies the maximum sustained egress rate (registrations per second) of initial SIP registrations allowed. (range: 1-1000, or unlimited.
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Note: You can set both “ | |||||
Register Burst Max | Specifies the maximum allowed burst (above the allowed sustained rate) for egress initial SIP registrations. (range: 1-1000, or unlimited.
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Call Limit | Specifies the total number of concurrent calls (either ingress or egress) allowed on egress. The value ranges from 0 to 2147483647 or unlimited (default). | ||||
Emergency Oversubscription | Specifies the oversubscription of resources (as a percentage) that is allowed for emergency calls. The value ranges from 0 to 1000 and the default value is 10. | ||||
Extended Emergency IP Limit | The resource oversubscription (expressed as numeric value) allowed for emergency calls. The value ranges from 0 to 40000 with a default value of 0. | ||||
Subscribe Rate Max | Specifies the maximum sustained egress rate (subscribes per second) of initial SIP subscribe request. (range: 1-1000, or unlimited.
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| Subscribe Burst Max | Specifies the maximum allowed burst (above the allowed sustained rate) for egress initial SIP subscribe request. (range: 1-1000, or unlimited.
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Other Req Rate Max | Specifies the maximum sustained egress rate (requests per second) of other out-of-dialog SIP requests. (range: 1-1000, or unlimited.
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Other Req Burst Max | Specifies the maximum allowed burst (above the allowed sustained rate) for any other egress out-of-dialog SIP request. (range: 1-1000, or unlimited.
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| Hpc Oversubscription | Specifies the over-subscription of the resources (in a percentage) that is allowed for HPC calls. When the baseline call limit and bandwidth limits are reached, normal calls are not admitted, but additional HPC calls are allowed up to the configured value percentage. The value ranges from 0 to 100 % and the default value is 10 %. |
Make the required changes and
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click Save
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at the right hand bottom of the panel to save the changes made.
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