Source note · SIP session timers
Microsoft's resolution is to configure the SBC so the correct party refreshes before expiry, and to trace any carrier-originated BYE back to its source.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- call drops
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Issues that affect inbound Direct Routing calls — Microsoft · tier 2 current vendor documentation · Section 'Calls drop after several minutes' > Resolution
Cite this note
APA
WarmTransfer. (2026, September 25). SIP session timers: source note sip-session-timers-teams-dr-fix-and-carrier. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-fix-and-carrier
BibTeX
@misc{warmtransfer-claim-sip-session-timers-teams-dr-fix-and-carrier,
title = {SIP session timers: source note sip-session-timers-teams-dr-fix-and-carrier},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-fix-and-carrier},
note = {Source note sip-session-timers-teams-dr-fix-and-carrier, checked 2026-09-25}
}