Source note · Hold resume and conference signaling
Under RFC 3264 a modified offer such as a hold or resume offer must increment the version in the SDP origin (o=) line by exactly one from the previous SDP.
Checked 2026-09-24
- Vendor
- IETF
- Product
- SIP
- Subsystem
- session modification
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3264 as published
- Checked
- 2026-09-24
Sources
- RFC 3264 — An Offer/Answer Model with the Session Description Protocol (SDP) — IETF / RFC Editor · tier 1 standards and regulators · Section 8 Modifying the Session
Cite this note
APA
WarmTransfer. (2026, September 24). Hold resume and conference signaling: source note hold-resume-conference-3264-origin-version-increment. WarmTransfer. https://warmtransfer.net/knowledge/claims/hold-resume-conference-3264-origin-version-increment
BibTeX
@misc{warmtransfer-claim-hold-resume-conference-3264-origin-version-increment,
title = {Hold resume and conference signaling: source note hold-resume-conference-3264-origin-version-increment},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/hold-resume-conference-3264-origin-version-increment},
note = {Source note hold-resume-conference-3264-origin-version-increment, checked 2026-09-24}
}