Source note · DNS SRV and service discovery for SIP
RFC 3263 uses the SRV service and protocol labels _sip._udp, _sip._tcp and _sips._tcp to locate SIP servers.
Checked 2026-09-24
- Vendor
- IETF
- Product
- SIP
- Subsystem
- SRV
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3263 (June 2002)
- Checked
- 2026-09-24
Sources
- RFC 3263: Session Initiation Protocol (SIP): Locating SIP Servers — RFC Editor / IETF · tier 1 standards and regulators · Section 4.1 Selecting a Transport Protocol
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-rfc3263-srv-prefixes. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-rfc3263-srv-prefixes
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-rfc3263-srv-prefixes,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-rfc3263-srv-prefixes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-rfc3263-srv-prefixes},
note = {Source note dns-srv-voice-rfc3263-srv-prefixes, checked 2026-09-24}
}