A call whose SDP negotiated sendrecv audio but which has an RTP stream in only one direction at the capture point shows one-way audio at that point; the missing direction was either never sent or lost before reaching the capture point.

inferred · Checked 2026-09-24

Vendor
Wireshark
Product
Wireshark
Subsystem
RTP analysis
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Status
inferred
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-one-way-signature-inf. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-one-way-signature-inf

BibTeX

@misc{warmtransfer-claim-sip-call-analysis-wireshark-one-way-signature-inf,
  title  = {Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-one-way-signature-inf},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-one-way-signature-inf},
  note   = {Source note sip-call-analysis-wireshark-one-way-signature-inf, checked 2026-09-24}
}

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