IMPORTANT

The SBC 5100, SBC 5110, SBC 5200, and SBC 5210 platforms are no longer supported beginning with the SBC Core 10.0.0R0 release. This release supports SBC 5400/7000/SWe/CNe platforms. Contact Ribbon Sales for upgrade information.

Use this window to configure ingress-specific Call Admission Control (CAC) configuration for a specified SIP trunk group.

On the SBC main screen, navigate 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.


CAC - Ingress Parameters

Parameter

Length/Range

Description

Call Rate Max

unlimited or

SBC 5400/SWe: 1-450

SBC 7000/CNe: 1-1350

Specifies the value of maximum allowed sustained calls/second for ingress call attempts. 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

unlimited or

SBC 5400/SWe: 1-900

SBC 7000/CNe: 1-2700

Specifies the value of the maximum allowed burst (above the allowed sustained rate) for egress call attempts in calls/second. 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

unlimited or

SBC 5400/SWe: 1-1500

SBC 7000: 1-3000

Specifies the maximum allowed sustained ingress rate (registrations per second) for initial SIP registrations. The default value is unlimited.


Note: You can set both Register Burst Max and Register Rate Max as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value.

Register Burst Max

unlimited or

SBC 5400/SWe: 1-1500

SBC 7000: 1-3000

Specifies the maximum allowed ingress burst (above the allowed sustained rate) for initial SIP registrations. The default value is unlimited.

Call Limit

unlimited or

0-2147483647

Specifies the total number of concurrent calls (either ingress or egress) allowed on ingress. The default is unlimited.

Emergency Oversubscription

0-1000

Specifies the oversubscription of resources (as a percentage) that is allowed for emergency calls. The default value is 10.

Extended Emergency IP Limit

0-40000

The resource oversubscription (expressed as a numeric value) allowed for emergency calls. The default value is 0.

Subscribe Rate Max

unlimited or

SBC 5400/SWe: 1-1000

SBC 7000: 1-3000

Specifies the maximum sustained ingress rate (subscribes per second) of the initial SIP subscribe request. The default value is unlimited.
Subscribe Burst Max

unlimited or

SBC 5400/SWe: 1-1000

SBC 7000: 1-3000

Specifies the maximum allowed burst (above the allowed sustained rate) for ingress initial SIP subscribe request. The default value is unlimited.

Other Req Rate Max

unlimited or

SBC 5400/SWe: 1-1000

SBC 7000: 1-3000

Specifies the maximum sustained ingress rate (requests per second) of other out-of-dialog SIP requests. The default value is unlimited.

Other Req Burst Max

unlimited or

SBC 5400/SWe: 1-1000

SBC 7000: 1-3000

Specifies the maximum allowed burst (above the allowed sustained rate) for any other ingress out-of-dialog SIP request. The default value is unlimited.

Hpc Oversubscription0-100Specifies 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 default value is 10.