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Zone CAC
Use the zone CAC parameters to configure call admission control (CAC) settings for a zone on ingress, on egress, and for the zone as a whole.
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Command Syntax
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% set addressContext <addressContext_name> zone <zone_name> |
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cac bandwidthLimit <0-2147483647, or unlimited> bandwidthLimitThreshold <0-100> bandwidthVideoThreshold <0-100> callLimit <0-2147483647, or unlimited> callLimitThreshold <0-100> egress |
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emergencyOversubscription <0-1000> extendedEmergencyIpLimit <0-40000> hpcOversubscription <0-100> ingress registrationLimit <0-2147483647, or unlimited> |
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Command Parameters
Zone Parameters
Parameter | Length/Range | Description |
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bandwidthLimit | 0-2147483647, or unlimited | Total bandwidth limit in Kbps/sec. |
bandwidthLimitThreshold | 0-100 | Bandwidth utilization notification threshold, as a percentage. (default = 0) |
bandwidthVideoThreshold | 0-100 | Enter 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. (default = 0) |
callLimit | 0-2147483647, or unlimited | Total number of calls allowed on this zone. (default = 'unlimited') |
callLimitThreshold | 0-100 | Call limit utilization notification threshold, as a percentage. (default = 0) |
egress | N/A | Egress-specific call admission control configuration. See the Egress Parameters table below for details. |
emergencyOversubscription | 0-1000, or unlimited | This parameter gives priority treatment to emergency calls by specifying the resource over-subscription percentage allowed for emergency calls, and represents the allowed percentage of emergency calls beyond the configured call limit. When the call limit is reached, normal calls are rejected but emergency calls are accepted up to an expanded limit. (default = 10) |
extendedEmergencyIpLimit | 0-40000 | Additional number of emergency calls (expressed as a numeric value) allowed if call limit and emergency over-subscription quota are exhausted. (default = 0) |
hpcOversubscription | 0-100 | This parameter specifies the amount of resource over-subscription (as a percentage) allowed for HPC calls. When the baseline call limit and bandwidth limit are reached, normal calls are not admitted, but additional HPC calls are allowed up to the configured percentage value. (default = 10) |
| N/A | Ingress-specific call admission control configuration. See the Ingress Parameters table below for details. |
registrationLimit | 0-2147483647, or unlimited | The number of concurrent registrations allowed in this zone. (default = 'unlimited') |
Egress
Command Syntax
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% set addressContext <addressContext_name> zone <zone_name> cac egress callBurstMax <1-900, or unlimited> (SBC 7000 range is 1-2700) callLimit <0-2147483647, or unlimited> callRateMax <1-450, or unlimited> (SBC 7000 range is 1-1350) emergencyOversubscription <0-1000> extendedEmergencyIpLimit <0-40000> |
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hpcOversubscription |
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<0-100> registerBurstMax <1- |
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3000 or unlimited> (1-1000 or unlimited for SBC |
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5xx0; 1-1500 or unlimited for SBC 5400; 1-3000 or unlimited for SBC 7000) registerRateMax <1- |
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3000 or unlimited> ( |
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1-1000 or unlimited for SBC 5xx0; 1-1500 or unlimited for SBC 5400; 1-3000 or unlimited for SBC 7000) |
Command Parameters
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Anchor
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Egress Parameters
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Egress Egress Parameters
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Parameters
| Parameter | Length/Range | Description |
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callBurstMax |
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zone
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1-23
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The name of the zone. You can configure signaling, media, and control for a zone in the address context.
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| Zone name is unique across all address contexts. |
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cac
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N/A
Call Admission Control (CAC) parameters for all peers using this zone.
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SBC 5000: SBC 7000: | Maximum allowed burst (above the allowed sustained rate) for egress call attempts, in calls/second. ( |
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| default = 'unlimited') | |
callLimit | 0-2147483647, or unlimited |
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| Total number of outbound concurrent calls allowed. ( |
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| default = 'unlimited' ) | |
callRateMax | SBC 5000: |
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. SBC 7000: | Maximum sustained egress call rate allowed in calls/second. ( |
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default = 'unlimited' ) Note: You can set both |
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; however, if you assign a value to one parameter, the other must also be assigned a value. |
emergencyOversubscription |
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| 0-1000 | Over-subscription of resources (as a percentage) allowed for emergency calls. ( |
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| default = 10) | |
extendedEmergencyIpLimit | 0-40000 |
| Additional number of emergency calls (expressed as a numeric value) allowed if call limit and emergency |
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| over-subscription quota are exhausted. ( |
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| default = 0) | ||
hpcOversubscription | 0-100 | This parameter specifies the amount of resource over-subscription (as a percentage) allowed for HPC calls. When the baseline call limit and bandwidth limit are reached, normal calls are not admitted, but additional HPC calls are allowed up to the configured percentage value. (default = 10) |
registerBurstMax | SBC 5xx0: SBC 5400: SBC 7000: | Specifies the maximum allowed egress burst (above the |
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allowed sustained rate) for |
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initial SIP registrations. |
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The default value is unlimited. | ||||||
| SBC 5xx0: SBC 5400: SBC 7000: | Specifies the maximum allowed sustained egress rate (registrations per second) for initial SIP registrations. The default value is unlimited. Note: You |
registerRateMax – (Default is 'unlimited') Maximum sustained egress rate of initial SIP registrations allowed on this zone. (range: 1-100, or unlimited. SBC 7000 range is 1-300, or unlimited)
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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 |
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emergencyOversubscription – (Default = 10) This parameter gives priority treatment to emergency calls by specifying the resource oversubscription percentage allowed for emergency calls, and represents the allowed percentage of emergency calls beyond the configured call limit. When the call limit is reached, normal calls are rejected but emergency calls are accepted up to an expanded limit. (range: 0-1000, or unlimited)
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extendedEmergencyIpLimit– (Default = 0) Additional number of emergency calls (expressed as a numeric value) allowed if call limit and emergency oversubscription quota are exhausted. (range: 0-40000)
ingress– Ingress-specific call admission control configuration. The ingress call maximum limit parameters are as follows:
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Ingress
Command Syntax
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% set addressContext <addressContext_name> zone <zone_name> cac ingress
callBurstMax <1-900, or unlimited> (SBC 7000 range is 1-2700)
callLimit <0-2147483647, or unlimited>
callRateMax <1-450, or unlimited> (SBC 7000 range is 1-1350)
emergencyOversubscription <0-1000>
extendedEmergencyIpLimit <0-40000>
hpcOversubscription <0-100>
packetRateMax <1-65535, or unlimited>
registerBurstMax <1-3000 or unlimited> (1-1000 or unlimited for SBC 5xx0; 1-1500 or unlimited for SBC 5400; 1-3000 or unlimited for SBC 7000)
registerRateMax <1-3000 or unlimited> (1-1000 or unlimited for SBC 5xx0; 1-1500 or unlimited for SBC 5400; 1-3000 or unlimited for SBC 7000)
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Command Parameters
Ingress ParametersAnchor Ingress Parameters Ingress Parameters
| Parameter | Length/Range | Description |
|---|---|---|
callBurstMax | SBC 5000: SBC 7000: | Maximum allowed burst (above the allowed sustained rate) for ingress calls, in calls/second. ( |
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| default = 'unlimited') | |
callRateMax | SBC 5000: |
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450, or unlimited. SBC 7000 |
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1350, or unlimited |
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Maximum sustained ingress call rate allowed in calls/second. ( |
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default is 'unlimited') Note: You |
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can set both |
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"unlimited"; however, if you assign a value to one parameter, the other must also be assigned a value. |
emergencyOversubscription |
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| 0-1000 | Over-subscription of resources (as a percentage) allowed for emergency calls. ( |
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| default = 10) | ||
extendedEmergencyIpLimit | 0-40000 | Additional number of emergency calls (expressed as a numeric value) allowed if call limit and emergency |
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| over-subscription quota are exhausted. ( |
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| default = 0) | ||
hpcOversubscription | 0-100 | This parameter specifies the amount of resource over-subscription (as a percentage) allowed for HPC calls. When the baseline call limit and bandwidth limit are reached, normal calls are not admitted, but additional HPC calls are allowed up to the configured percentage value. (default = 10) |
packetRateMax | 1-65535, or unlimited |
| Maximum sustained packet rate allowed |
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| in packets/second |
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| default = 'unlimited') | ||
registerBurstMax | SBC 5xx0: SBC 5400: SBC 7000: | Specifies the maximum allowed ingress burst (above the allowed |
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sustained rate) for initial SIP registrations. |
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The default value is unlimited. | ||||||
registerRateMax | SBC 5xx0: SBC 5400: SBC 7000: | Specifies the maximum allowed sustained ingress rate (registrations per second) for initial SIP registrations. The default value is unlimited. Note: You can set both |
registerRateMax – (Default is 'unlimited') Maximum sustained rate of initial SIP registrations allowed in registrations/second. (range: 1-100, or unlimited. SBC 7000 range is 1-300, or unlimited)
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“registerBurstMax” and “registerRateMax” as unlimited; however, if you assign a value to one parameter, the other must also be assigned a value. |
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