Technote 214622 calls a software MTP the preferred remedy for hairpin no-way audio, because the software MTP sends dummy RTP packets to both parties and breaks the deadlock.

Checked 2026-09-24

software MTP supply dummy RTP packets
Vendor
Cisco
Product
Cisco Unified Border Element with Unified CM MTP
Subsystem
media termination point
Deployment
on-premises
Region
not restricted
Release range
technote 214622
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-hairpin-software-mtp. WarmTransfer. https://warmtransfer.net/knowledge/claims/one-way-audio-hairpin-software-mtp

BibTeX

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

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