Source note · SIP trunk carrier turn-up and acceptance testing
Microsoft's step for validating a new Direct Routing SBC pairing is to confirm in the SBC management interface that its outgoing SIP OPTIONS get 200 OK and that it answers Direct Routing's incoming OPTIONS with 200 OK.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- keepalive
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · Use PowerShell > Verify the SBC connection > Validate SIP options
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-dr-options-validate. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-dr-options-validate
BibTeX
@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-dr-options-validate,
title = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-dr-options-validate},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-dr-options-validate},
note = {Source note sip-trunk-carrier-turn-up-dr-options-validate, checked 2026-09-25}
}