Source note · DNS SRV and service discovery for SIP
GCC High Direct Routing uses sip.pstnhub.gov.teams.microsoft.us and DoD uses sip.pstnhub.dod.teams.microsoft.us, and Microsoft says secondary and tertiary FQDNs are not required in those clouds.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SIP signaling
- Deployment
- government
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · SIP signaling: GCC High; SIP signaling: DoD
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-gov-fqdns. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-gov-fqdns
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-msdr-gov-fqdns,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-msdr-gov-fqdns},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-msdr-gov-fqdns},
note = {Source note dns-srv-voice-msdr-gov-fqdns, checked 2026-09-24}
}