Daw, Pache and Zhou argue that Erlang-A guidance, which treats abandoning callers as lost forever, understaffs call centers where callers redial. For one SNAP call center it recommended 13 staff for an average wait under one minute, against 52 in their model.

Checked 2026-09-25

Vendor
vendor-neutral
Product
not restricted
Subsystem
agent staffing
Deployment
any
Region
us
Release range
arXiv v1 2026-05-14
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-erlang-a-redial-understaffs. WarmTransfer. https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-erlang-a-redial-understaffs

BibTeX

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

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