Cisco's technote lists G.729A coder delay as 2.5 ms best case and 10 ms worst case, versus 5 ms and 20 ms for G.723.1.

Checked 2026-10-02

Vendor
Cisco
Product
not restricted
Subsystem
codec delay
Deployment
any
Region
not restricted
Release range
technote dated 2006-02-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting audio delay and talk-over on voice calls: source note call-latency-troubleshooting-cisco-g729a-coder-delay. WarmTransfer. https://warmtransfer.net/knowledge/claims/call-latency-troubleshooting-cisco-g729a-coder-delay

BibTeX

@misc{warmtransfer-claim-call-latency-troubleshooting-cisco-g729a-coder-delay,
  title  = {Troubleshooting audio delay and talk-over on voice calls: source note call-latency-troubleshooting-cisco-g729a-coder-delay},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/call-latency-troubleshooting-cisco-g729a-coder-delay},
  note   = {Source note call-latency-troubleshooting-cisco-g729a-coder-delay, checked 2026-10-02}
}

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