Source note · SIP trunk carrier turn-up and acceptance testing
The Direct Routing FailoverTimeSeconds setting defaults to 10 seconds: an outbound call the gateway has not answered within that time moves to the next available trunk, or is dropped if there is none.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- failover
- 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 · SBC settings table, FailoverTimeSeconds row
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-dr-failover-time. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-dr-failover-time
BibTeX
@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-dr-failover-time,
title = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-dr-failover-time},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-dr-failover-time},
note = {Source note sip-trunk-carrier-turn-up-dr-failover-time, checked 2026-09-25}
}