Source note · Troubleshooting calls that drop on hold or transfer
When a stream is offered as sendonly, the answer MUST mark the corresponding stream recvonly or inactive; when offered as recvonly, the answer MUST mark it sendonly or inactive.
Checked 2026-09-30
- Vendor
- IETF
- Product
- SIP
- Subsystem
- sdp-offer-answer
- Deployment
- any
- Region
- not restricted
- Release range
- RFC as published
- Checked
- 2026-09-30
Sources
- RFC 3264 — An Offer/Answer Model with the Session Description Protocol (SDP) — IETF / RFC Editor · tier 1 standards and regulators · Section 6.1 (Unicast Streams)
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting calls that drop on hold or transfer: source note sip-reinvite-call-drops-answer-to-sendonly. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-reinvite-call-drops-answer-to-sendonly
BibTeX
@misc{warmtransfer-claim-sip-reinvite-call-drops-answer-to-sendonly,
title = {Troubleshooting calls that drop on hold or transfer: source note sip-reinvite-call-drops-answer-to-sendonly},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-reinvite-call-drops-answer-to-sendonly},
note = {Source note sip-reinvite-call-drops-answer-to-sendonly, checked 2026-09-30}
}