Cisco's UCCX 15.0 guide describes the busiest hour as typically the average of the ten busiest hours of the year, and notes that seasonal campaigns may need a different staffing approach.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Contact Center Express
Subsystem
traffic engineering terminology
Deployment
on-premises
Region
not restricted
Release range
15.0
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Erlang B and Erlang C for voice and contact center sizing: source note erlang-traffic-engineering-busy-hour-ten-highest. WarmTransfer. https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-busy-hour-ten-highest

BibTeX

@misc{warmtransfer-claim-erlang-traffic-engineering-busy-hour-ten-highest,
  title  = {Erlang B and Erlang C for voice and contact center sizing: source note erlang-traffic-engineering-busy-hour-ten-highest},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-busy-hour-ten-highest},
  note   = {Source note erlang-traffic-engineering-busy-hour-ten-highest, checked 2026-09-25}
}

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