Note

The SBC calculates the packet loss rate as (number of packets lost/number of packets expected) x 100.

For every incoming call leg:

  • The SBC periodically (approximately after every 512 expected packets) calculates the packet loss rate.
  • The SBC also periodically (approximately after every 10 seconds) checks if the packet loss rate of the call is above the configured value for the parameter Packet Loss Threshold.
  • If the SBC detects that the loss rate has exceeded the threshold, it reports the difference to higher layer of services within the software stack.
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