Source note · Troubleshooting SIP 403 Forbidden from a carrier
Microsoft response codes 510560 (user is not Enterprise Voice enabled) and 510562 (user is not allowed to make outbound PSTN calls) both carry SIP 403, and the suggested action for both is to verify the Phone System license and the user's Direct Routing enablement.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- user provisioning
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- SIP 403 and Microsoft response codes - Microsoft Teams — Microsoft · tier 2 current vendor documentation · 510560 403 User is not Enterprise Voice enabled; 510562 403 User is not allowed to make outbound PSTN Calls
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting SIP 403 Forbidden from a carrier: source note sip-403-forbidden-troubleshooting-ms-510560-510562. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-403-forbidden-troubleshooting-ms-510560-510562
BibTeX
@misc{warmtransfer-claim-sip-403-forbidden-troubleshooting-ms-510560-510562,
title = {Troubleshooting SIP 403 Forbidden from a carrier: source note sip-403-forbidden-troubleshooting-ms-510560-510562},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-403-forbidden-troubleshooting-ms-510560-510562},
note = {Source note sip-403-forbidden-troubleshooting-ms-510560-510562, checked 2026-09-30}
}