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Comment: Common note added for SBX-97718 Subscribe CAC limitation. Grammar, formatting


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This page describes the parameters associated with SIP Trunk Group 'CAC' objecttrunk group call admission control (CAC) configuration.

To View and Edit SIP Trunk Group - CAC

On the

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 main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > CAC.

The CAC window is displayed.The SIP Trunk Group - CAC 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 boxes to select the desired Address Context, Zone and SIP Trunk Group.

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1SIP Trunk Group - CAC Main Fields

 

The Edit CAC window is displayed.

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1Sip SIP Trunk Group - Cac CAC Edit Window

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_Subscribe_CAC_Access_Restriction

The following fields are displayed:

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1System Provisioning - SIP Trunk Group - Sip Trunk Group - Cac CAC Parameters


Parameter

Description

Call Limit

Specifies the total number of concurrent calls (either ingress or egress) allowed. The value ranges from 0 to 2147483647 or unlimited (default).

Bandwidth Limit

Specifies the total media bandwidth limit, in Kbits/sec. The value ranges from 0 to 2147483647 or unlimited (default).
Bandwidth Video Threshold

Specifies a threshold value (as a percentage of video bandwidth) to limit video streams to a specific bandwidth to prevent video calls consuming call bandwidth otherwise needed for audio calls. The value ranges from 0 to 100 and the default value is 0 which indicates no video threshold value.

Call Limit Threshold

Specifies the Call Limit utilization notification threshold, as a percentage. The value ranges from 0 to 100 and the default value is 0.

Bandwidth Limit Threshold

Specifies the Bandwidth utilization notification threshold as a percentage. The value ranges from 0 to 100 and the default value is 0.

Emergency Oversubscription

Specifies the percentage of resource oversubscription allowed for emergency calls. The value ranges from 0 to 1000 and the default value is 0.

Extended Emergency IP Limit

Specifies the resource oversubscription (expressed as numeric value) allowed for emergency calls. The value ranges from 0 to 40000 and the default value is 0.

Registration Limit

Specifies the total number of concurrent SIP registrations allowed. The value ranges from 0 to 2147483647 or unlimited (default).

Registered Endpoint CAC Profile

Specifies the endpoint CAC profile containing CAC parameters that are applied individually to each registrant.
Unregistered Endpoint CAC Profile

Specifies the endpoint CAC profile containing CAC parameters that are applied individually to each unregistered peer.

Estimated Child RegistrationsSpecifies the estimated number of child registrations (that is, the estimated number of P-Associated-URIs in 200 OK message). The value ranges from 1 to 256 and the default value is 1.

Subscription Limit

Specifies the total number of concurrent SIP subscriptions allowed on IP trunk group. The value ranges from 0 to 2147483647 or unlimited (default).

TCP Media Limit

Specifies the MRM session limit per trunk group. The value ranges from 0 to 5000 or unlimited (default).

Hpc OversubscriptionSpecifies 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 click Save at the right hand bottom of the panel to save the changes made.

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