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In this section:

This section describes sample call flows in which the SBC increments the counters (statistics) associated with HPC Call Queues.

The statistics related to the call flows are as follows:

  • hpcQueueAttempts
  • hpcQueueOverflows
  • hpcQueueAbandons
  • hpcQueueTimeouts

For more information on these statistics, refer to callCountCurrentStatistics in the page Show Table Global.

Call Flows

The following images describe various call flows and scenarios in which the SBC increments the counters (statistics) associated with HPC Call Queues.

Egress Queue

Figure 1: Egress Queue – Able to Queue and Resources Available Before Queue Timer Expires


Figure 2: Egress Queue – Able to Queue and Resources Available Before Queue Timer Expires at Second Pass


Figure 3: Egress Queue – Able to Queue and Queue Timer Expires


Figure 4: Egress Queue – Unable to Queue


Figure 5: Egress Queue – Able to Queue and then Cancelled the Call


 


Ingress Queue

Figure 6: Ingress Queue – Able to Queue and Resources Available Before Queue Timer Expires


Figure 7: Ingress Queue – Able to Queue and Queue Timer Expires


Figure 8: Ingress Queue – Unable to Queue


Figure 9: Ingress Queue – Able to Queue and Resources Available Before Queue Timer Expires


 


Egress Queue over Gateway-Gateway Scenario

Figure 10: Egress Queue over GW-GW – Able to Queue and Resources available Before Queue Timer Expires


Figure 11: Egress Queue over GW-GW – Able to Queue and Resources Available Before Queue Timer Expires at Second Pass


Figure 12: Egress Queue over GW-GW – Able to Queue and Queue Timer Expires.- Part 1


Figure 13: Egress Queue over GW-GW – Able to Queue and Queue Timer Expires - Part 2


Figure 14: Egress Queue over GW-GW – No Room to Queue - Part 1

Figure 15: Egress Queue over GW-GW – No Room to Queue - Part 2


Figure 16: Egress Queue over GW-GW – Able to Queue and Cancelled the call