Source note · IPv6 for voice and UC platforms
RFC 8421 (BCP 217, July 2018) recommends that dual-stack ICE agents intermingle IPv4 and IPv6 candidates in the checklist rather than testing all of one family first, so a broken IPv6 or IPv4 path does not delay call setup.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- ICE prioritization
- Deployment
- any
- Region
- not restricted
- Release range
- BCP 217
- Checked
- 2026-10-02
Sources
- RFC 8421: Guidelines for Multihomed and IPv4/IPv6 Dual-Stack Interactive Connectivity Establishment (ICE) — IETF / RFC Editor · tier 1 standards and regulators · Section 4
Cite this note
APA
WarmTransfer. (2026, October 2). IPv6 for voice and UC platforms: source note ipv6-voice-rfc8421-intermingle-families. WarmTransfer. https://warmtransfer.net/knowledge/claims/ipv6-voice-rfc8421-intermingle-families
BibTeX
@misc{warmtransfer-claim-ipv6-voice-rfc8421-intermingle-families,
title = {IPv6 for voice and UC platforms: source note ipv6-voice-rfc8421-intermingle-families},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ipv6-voice-rfc8421-intermingle-families},
note = {Source note ipv6-voice-rfc8421-intermingle-families, checked 2026-10-02}
}