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In this section:

This page describes CLI syntax and parameters for the SIP Trunk Group 'Call Admission Control' object.

 

As a best practice, always use UPPERCASE for trunk group names.

Note

Unless annotated otherwise, the parameter values in this section apply to the SBC Core.

Command Syntax

% set addressContext <name> zone <name> sipTrunkGroup <name> cac
	bandwidthLimit <0-2147483647>
	bandwidthLimitThreshold <0-100>
    bandwidthVideoThreshold <0-100>
	callLimit <0-2147483647>
	callLimitThreshold <0-100>
	egress 
		callBurstMax <1-900> (SBC 7000 range is 1-2700)
		callLimit <0-2147483647>
		callRateMax <1-450> (SBC 7000 range is 1-1350)
		emergencyOversubscription <0-1000>
		extendedEmergencyIpLimit <0-40000>
		otherReqBurstMax <1-1000> (SBC 7000 range is 1-3000)
		otherReqRateMax <1-1000> (SBC 7000 range is 1-3000)
		registerBurstMax <1-1000> (SBC 7000 range is 1-3000)
		registerRateMax <1-1000> (SBC 7000 range is 1-3000)
		subscribeBurstMax <1-1000> (SBC 7000 range is 1-3000)
		subscribeRateMax <1-1000> (SBC 7000 range is 1-3000)
	emergencyOversubscription <0-1000>
	estimatedChildRegistrations <1-256>
	extendedEmergencyIpLimit <0-40000>
	ingress 
		callBurstMax <1-900> (SBC 7000 range is 1-2700)
		callLimit <0-2147483647>
		callRateMax <1-450> (SBC 7000 range is 1-1350)
		emergencyOversubscription <0-1000>
		extendedEmergencyIpLimit <0-40000>
		otherReqBurstMax <1-1000> (SBC 7000 range is 1-3000)
		otherReqRateMax <1-1000> (SBC 7000 range is 1-3000)
		registerBurstMax <1-1000> (SBC 7000 range is 1-3000)
		registerRateMax <1-1000> (SBC 7000 range is 1-3000)
		subscribeBurstMax <1-1000> (SBC 7000 range is 1-3000)
		subscribeRateMax <1-1000> (SBC 7000 range is 1-3000)
	registeredEndpointCacProfile <profile name>
	registrationLimit <0-2147483647>
	subscriptionLimit <0-2147483647>
	tcpMediaLimit <0-5000>

Command Parameters

SIP Trunk Group CAC Parameters

ParameterLength/RangeDescription
bandwidthLimit0-2147483647, or unlimitedThe total media bandwidth limit, in Kbits/sec. (default = "unlimited")
bandwidthLimitThreshold0-100Enter threshold value (as a percentage) to specify bandwidth utilization notification threshold. (range: 0-100 / default = 0)
bandwidthVideoThreshold0-100Enter 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. (range: 0-100 / default = 0)
callLimit0-2147483647, or unlimitedTotal number of concurrent calls (either ingress or egress) allowed. (default = “unlimited”).
callLimitThreshold0-100Call Limit utilization notification threshold, as a percentage. (default = 0)
egressN/AEgress-specific call admission control configuration for the SIP trunk group.
  • callBurstMax – (Default is 'unlimited') Maximum allowed burst size (above the allowed sustained rate) for egress call attempts, in calls per second. (range: 1-900, or unlimited. SBC 7000 range is 1-2700, or unlimited).
  • callLimit – (Default is 'unlimited') Total number of concurrent calls (either ingress or egress) allowed on egress. (range: 0-2147483647, or unlimited).
     

  • callRateMax – (Default is 'unlimited') Maximum sustained egress call rate allowed in calls per second. (range: 1-450, or unlimited. SBC 7000 range is 1-1350, or 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.

     

  • emergencyOversubscription – (Default = 10) Oversubscription of resources (as a percentage) that is allowed for emergency calls. (range: 0-1000).

  • otherReqBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for any other egress out-of-dialog SIP request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • otherReqRateMax – (Default is 'unlimited') Maximum sustained egress rate (requests per second) of other out-of-dialog SIP requests. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • registerBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for egress initial SIP registrations. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • registerRateMax – (Default is 'unlimited') Maximum sustained egress rate (registrations per second) of initial SIP registrations allowed. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or 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.
  • subscribeBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for egress initial SIP subscribe request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited) 

  • subscribeRateMax – (Default is 'unlimited') Maximum sustained egress rate (subscribes per second) of initial SIP subscribe request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)

 
emergencyOversubscription0-1000

(Default = 10) The percentage of resource oversubscription allowed for emergency calls.

estimatedChildRegistrations1-256(Default = 1) Estimated number of child registrations (i.e. the estimated number of P-Associated-URIs in 200 OK message).
extendedEmergencyIpLimit0-40000

(Default = 0) The resource oversubscription (expressed as numeric value) allowed for emergency calls.

ingressN/AIngress-specific call admission control configuration for the SIP trunk group.
  • callBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for ingress calls in calls per second (range: 1-900, or unlimited. SBC 7000 range is 1-2700, or unlimited).
  • callLimit –  (Default is 'unlimited') Total number of concurrent calls allowed on ingress. (range: 0-2147483647, or unlimited). 
  • callRateMax – (Default is 'unlimited') Maximum sustained ingress call rate allowed in calls/second. (range: 1-450, or unlimited. SBC 7000 range is 1-1350, or 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.

     

  • emergencyOversubscription – (Default = 10) Oversubscription of resources (as a percentage) that is allowed for emergency calls. (range: 0-1000).

  • otherReqBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for any other ingress out-of-dialog SIP request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • otherReqRateMax – (Default is 'unlimited') Maximum sustained ingress rate (requests per second) of other out-of-dialog SIP requests. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • registerBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for initial SIP registrations. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • registerRateMax – (Default is 'unlimited') Maximum sustained rate of initial SIP registrations allowed in registrations per second. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or 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.
  • subscribeBurstMax – (Default is 'unlimited') Maximum allowed burst (above the allowed sustained rate) for ingress initial SIP subscribe request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
  • subscribeRateMax – (Default is 'unlimited') Maximum sustained ingress rate (subscribes per second) of initial SIP subscribe request. (range: 1-1000, or unlimited. SBC 7000 range is 1-3000, or unlimited)
registeredEndpointCacProfileN/AEndpoint CAC profile containing CAC parameters that are applied individually to each registrant.
registrationLimit0-2147483647, or unlimited(Default is 'unlimited') The total number of concurrent SIP registrations allowed.
subscriptionLimit0-2147483647, or unlimited(Default is 'unlimited') The total number of concurrent SIP subscriptions allowed on IP trunk group.
tcpMediaLimit0-5000, or unlimitedMRM session limit per trunk group.

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