RFC 7362 (Informational) describes latching: a media relay takes the source address and port of the media packets it receives and uses them as the destination for media going the other way.

Checked 2026-09-24

the media relay receives the media packets on the allocated ports and uses their respective source address:ports as a destination for all media bound in the opposite direction
Vendor
IETF
Product
SBCs
Subsystem
latching
Deployment
multi-tenant, on-premises
Region
not restricted
Release range
RFC 7362
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). One-way and no-way audio diagnosis: source note one-way-audio-latching-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/one-way-audio-latching-definition

BibTeX

@misc{warmtransfer-claim-one-way-audio-latching-definition,
  title  = {One-way and no-way audio diagnosis: source note one-way-audio-latching-definition},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/one-way-audio-latching-definition},
  note   = {Source note one-way-audio-latching-definition, checked 2026-09-24}
}

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