Cisco's 2001 Traffic Analysis document states that in a standard business environment the busy hour carries about 15 to 20 percent of the day's traffic, and that 17 percent of daily traffic is generally used to represent the peak hour.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco IOS VoIP solutions
- Subsystem
- busy hour estimation
- Deployment
- on-premises
- Region
- not restricted
- Release range
- document updated 2001-07-02
- Checked
- 2026-09-25
Sources
- Traffic Analysis — Cisco Systems · tier 2 current vendor documentation · Traffic Theory Basics > Busy Hour Traffic
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-daily-share. WarmTransfer. https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-busy-hour-daily-share
BibTeX
@misc{warmtransfer-claim-erlang-traffic-engineering-busy-hour-daily-share,
title = {Erlang B and Erlang C for voice and contact center sizing: source note erlang-traffic-engineering-busy-hour-daily-share},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-busy-hour-daily-share},
note = {Source note erlang-traffic-engineering-busy-hour-daily-share, checked 2026-09-25}
}