Source note · Hold resume and conference signaling
RFC 3264 requires an agent to be capable of receiving SDP with connection address 0.0.0.0 and to treat it as meaning neither RTP nor RTCP should be sent to the peer.
Checked 2026-09-24
An agent MUST be capable of receiving SDP with a connection address of 0.0.0.0, in which case it means that neither RTP nor RTCP should be sent to the peer.
- Vendor
- IETF
- Product
- SIP
- Subsystem
- legacy hold
- 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 6.1 Unicast Streams
Cite this note
APA
WarmTransfer. (2026, September 24). Hold resume and conference signaling: source note hold-resume-conference-3264-zero-addr-must-accept. WarmTransfer. https://warmtransfer.net/knowledge/claims/hold-resume-conference-3264-zero-addr-must-accept
BibTeX
@misc{warmtransfer-claim-hold-resume-conference-3264-zero-addr-must-accept,
title = {Hold resume and conference signaling: source note hold-resume-conference-3264-zero-addr-must-accept},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/hold-resume-conference-3264-zero-addr-must-accept},
note = {Source note hold-resume-conference-3264-zero-addr-must-accept, checked 2026-09-24}
}