Source note · DNS SRV and service discovery for SIP
Microsoft lists a public DNS entry for the SBC FQDN as a Direct Routing infrastructure requirement; the page does not say whether that entry is an A record or an SRV record.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SBC addressing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Infrastructure requirements table, Public DNS row
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-public-dns-entry. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-public-dns-entry
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-msdr-public-dns-entry,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-public-dns-entry},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-public-dns-entry},
note = {Source note dns-srv-voice-msdr-public-dns-entry, checked 2026-09-24}
}