Use this window to configure ingress-specific call admission control (CAC) configuration for a specified SIP trunk group.
On the
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main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > CAC > Ingress or All > Address Context > Zone > SIP Trunk Group > CAC > Ingress
Use the drop-down lists to select an Address Context, Zone and SIP Trunk Group.
SIP Trunk Group - Ingress CAC Window
Note
SIP subscription CAC limits are not applied to SUBSCRIBE requests from registered users in access deployments.
Use the following table to configure and then click Save.
Parameter | Description |
|---|---|
| Call Rate Max | Specifies the value of maximum allowed sustained calls/second for ingress call attempts. SBC 5xx0 / 5400 / SWe - Range: 1-450, or unlimited. (The default value is unlimited.) SBC 7000 - Range: 1-1,350, or unlimited. (The default value is unlimited.) Note: You can set both Call Burst Max and Call Rate Max as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value. |
| Call Burst Max | Specifies the value of maximum allowed burst (above the allowed sustained rate) for egress call attempts in calls/second. SBC 5xx0/5400 / SWe - Range: 1-900, or unlimited. (The default value is unlimited.) SBC 7000 - Range: 1-2,700, or unlimited. (The default value is unlimited.) Note: You can set both Call Burst Max and Call Rate Max as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value. |
Register Rate Max | Specifies the maximum allowed sustained ingress rate (registrations per second) for initial SIP registrations. (range: 1-1000, or unlimited for SBC 5xx0 series; 1-1500, or unlimited for SBC 5400; 1-3000, or unlimited for SBC 7000 series). The default value is unlimited. Modified: for 9.2.1 |
Register Burst Max | Specifies the maximum allowed ingress burst (above the allowed sustained rate) for initial SIP registrations. (range: 1-1000, or unlimited for SBC 5xx0 series; 1-1500, or unlimited for SBC 5400; 1-3000, or unlimited for SBC 7000 series). The default value is unlimited. Modified: for 9.2.1 |
Call Limit | Specifies the total number of concurrent calls (either ingress or egress) allowed on ingress. 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 ingress rate (subscribes per second) of initial SIP subscribe request. (range: 1-1000, or unlimited. Unable to show "metadata-from": No such page "_space_variables" range is 1-3000, or unlimited) |
| Subscribe Burst Max | Specifies the maximum allowed burst (above the allowed sustained rate) for ingress initial SIP subscribe request. (range: 1-1000, or unlimited. Unable to show "metadata-from": No such page "_space_variables" range is 1-3000, or unlimited) |
Other Req Rate Max | Specifies the maximum sustained ingress rate (requests per second) of other out-of-dialog SIP requests. (range: 1-1000, or unlimited. Unable to show "metadata-from": No such page "_space_variables" range is 1-3000, or unlimited). |
Other Req Burst Max | Specifies the maximum allowed burst (above the allowed sustained rate) for any other ingress out-of-dialog SIP request. (range: 1-1000, or unlimited. Unable to show "metadata-from": No such page "_space_variables" range is 1-3000, or unlimited). |
| 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 %. |
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