Source note · IPv6 for voice and UC platforms
A Direct Routing SBC using IPv6 connects to sip.ipv6.pstnhub.microsoft.com (primary), sip2.ipv6.pstnhub.microsoft.com (secondary) and sip3.ipv6.pstnhub.microsoft.com (tertiary), not to the IPv4 sip/sip2/sip3.pstnhub.microsoft.com names.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SIP signalling FQDNs
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Section 'SIP signaling: FQDNs', table 'FQDNs in case SBC uses IPv6'
Cite this note
APA
WarmTransfer. (2026, October 2). IPv6 for voice and UC platforms: source note ipv6-voice-teams-dr-ipv6-fqdns. WarmTransfer. https://warmtransfer.net/knowledge/claims/ipv6-voice-teams-dr-ipv6-fqdns
BibTeX
@misc{warmtransfer-claim-ipv6-voice-teams-dr-ipv6-fqdns,
title = {IPv6 for voice and UC platforms: source note ipv6-voice-teams-dr-ipv6-fqdns},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ipv6-voice-teams-dr-ipv6-fqdns},
note = {Source note ipv6-voice-teams-dr-ipv6-fqdns, checked 2026-10-02}
}