Cisco says voice activity detection (VAD) can save up to 35 percent of bandwidth, averaged over time across more than 24 calls.

Checked 2026-09-24

Over time and as an average on a volume of more than 24 calls, VAD can provide up to a 35 percent bandwidth savings.
Vendor
Cisco
Product
Cisco IOS voice
Subsystem
bandwidth calculation
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Codec selection and bandwidth planning: source note bandwidth-codec-planning-cisco-vad-savings. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-cisco-vad-savings

BibTeX

@misc{warmtransfer-claim-bandwidth-codec-planning-cisco-vad-savings,
  title  = {Codec selection and bandwidth planning: source note bandwidth-codec-planning-cisco-vad-savings},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-cisco-vad-savings},
  note   = {Source note bandwidth-codec-planning-cisco-vad-savings, checked 2026-09-24}
}

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