RFC 3551 says the default audio packetization interval SHOULD be 20 ms or one frame, whichever is longer.

Checked 2026-09-24

the default packetization interval SHOULD have a duration of 20 ms or one frame, whichever is longer
Vendor
IETF
Product
RTP
Subsystem
packetization
Deployment
any
Region
not restricted
Release range
RFC 3551 (July 2003)
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Codec selection and bandwidth planning: source note bandwidth-codec-planning-default-ptime-20ms. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-default-ptime-20ms

BibTeX

@misc{warmtransfer-claim-bandwidth-codec-planning-default-ptime-20ms,
  title  = {Codec selection and bandwidth planning: source note bandwidth-codec-planning-default-ptime-20ms},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-default-ptime-20ms},
  note   = {Source note bandwidth-codec-planning-default-ptime-20ms, checked 2026-09-24}
}

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