For user-provisioning 403s: 510560 means the user isn't Enterprise Voice enabled; 510562 means the user can't make outbound PSTN calls; 510563 means the user is limited to domestic calls. For 510560 and 510562, Microsoft says to check the Phone System licence and Direct Routing enablement.

Checked 2026-09-25

Vendor
Microsoft
Product
Microsoft Teams Phone Direct Routing
Subsystem
sip-response-codes
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-403-user-codes. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-403-user-codes

BibTeX

@misc{warmtransfer-claim-teams-direct-routing-troubleshooting-403-user-codes,
  title  = {Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-403-user-codes},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-403-user-codes},
  note   = {Source note teams-direct-routing-troubleshooting-403-user-codes, checked 2026-09-25}
}

Read in context