Call Flows with HPC Queue Statistics

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 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