Source note · Hold resume and conference signaling
RFC 8866 says that if no media direction attribute is present at session or media level sendrecv SHOULD be assumed.
Checked 2026-09-24
If none of the media direction attributes is present at either session level or media level, "a=sendrecv" SHOULD be assumed as the default.
- Vendor
- IETF
- Product
- SDP
- Subsystem
- direction attributes
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 8866 as published
- Checked
- 2026-09-24
Sources
- SDP: Session Description Protocol — IETF / RFC Editor · tier 1 standards and regulators · Section 6.7 Media Direction Attributes
Cite this note
APA
WarmTransfer. (2026, September 24). Hold resume and conference signaling: source note hold-resume-conference-8866-default-sendrecv. WarmTransfer. https://warmtransfer.net/knowledge/claims/hold-resume-conference-8866-default-sendrecv
BibTeX
@misc{warmtransfer-claim-hold-resume-conference-8866-default-sendrecv,
title = {Hold resume and conference signaling: source note hold-resume-conference-8866-default-sendrecv},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/hold-resume-conference-8866-default-sendrecv},
note = {Source note hold-resume-conference-8866-default-sendrecv, checked 2026-09-24}
}