Source note · DNS SRV and service discovery for SIP
Microsoft states that wildcard certificates are supported for the Direct Routing SBC when they comply with RFC 2818, and the certificate should carry the SBC FQDN in the CN or SAN.
disputed · Checked 2026-09-24
Wildcard certificates are supported when they comply with RFC 2818.
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- TLS identity
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Status
- disputed
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Public trusted certificate for the SBC
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-wildcard-certs. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-wildcard-certs
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-msdr-wildcard-certs,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-wildcard-certs},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-wildcard-certs},
note = {Source note dns-srv-voice-msdr-wildcard-certs, checked 2026-09-24}
}