CUBE's sip-ua srv version command selects between version 2, the default RFC 2782 underscore format, and version 1 for older systems that do not use the underscore.

Checked 2026-09-24

Vendor
Cisco
Product
CUBE on IOS XE
Subsystem
DNS resolution
Deployment
on-premises
Region
not restricted
Release range
IOS XE 17.6 onwards
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-cube-srv-version. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-cube-srv-version

BibTeX

@misc{warmtransfer-claim-dns-srv-voice-cube-srv-version,
  title  = {DNS SRV and service discovery for SIP: source note dns-srv-voice-cube-srv-version},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-cube-srv-version},
  note   = {Source note dns-srv-voice-cube-srv-version, checked 2026-09-24}
}

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