Use this window to configure ingress-specific call admission control (CAC) configuration for a shared CAC limits pool.

On the SBC main screen, go to All  > Global > CAC  > Shared CAC Limits Pool > Ingress.

Select the desired Shared CAC Limits Pool from the drop-down list. The Ingress window is displayed.

Figure 1: Shared CAC Limits Pool - Ingress

 


Note

SIP subscription CAC limits are not applied to SUBSCRIBE requests from registered users in access deployments.

Use the following table to configure the parameters and then click Save.

Table 1: Shared CAC Limits Pool - Ingress Parameters 

Parameter

Description

Call Rate Max

Specifies the maximum sustained ingress call rate allowed in calls per second. range: 1-1000, unlimited (SBC 7000 range is 1-3000, unlimited)

You can set both “callBurstMax” and “CallRateMax” as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value.

Call Burst Max

Specifies the maximum allowed burst size (above the allowed sustained rate) for ingress call attempts, in calls per second. range: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)

Register Rate Max

Specifies the maximum sustained ingress rate (registrations per second) of initial SIP registrations allowed. range: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)

You can set both “registerBurstMax” and “registerRateMax” as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value.

Register Burst Max

Specifies the maximum allowed burst (above the allowed sustained rate) for ingress initial SIP registrations. range: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)

Subscribe Rate Max

Specifies the maximum sustained ingress rate (subscribes per second) of initial SIP subscribe request. range: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)
Subscribe Burst MaxSpecifies the maximum allowed burst (above the allowed sustained rate) for ingress initial SIP subscribe request. range: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)

Other Req Rate Max

Specifies the maximum sustained ingress rate (requests per second) of other out-of-dialog SIP requests. range: 1-2000, unlimited (SBC 7000 range is 1-6000, 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: 1-2000, unlimited (SBC 7000 range is 1-6000, unlimited)


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