Source note · SIP session timers
Microsoft says a Direct Routing call that drops without an error code after 10 to 60 minutes connected may indicate a session timer or refresh problem.
Checked 2026-09-25
An ongoing call drops without returning an error code after it connects and remains active between 10 and 60 minutes.
- 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 a specific duration' > 'Calls drop after several minutes'
Cite this note
APA
WarmTransfer. (2026, September 25). SIP session timers: source note sip-session-timers-teams-dr-drop-10-60-min. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-drop-10-60-min
BibTeX
@misc{warmtransfer-claim-sip-session-timers-teams-dr-drop-10-60-min,
title = {SIP session timers: source note sip-session-timers-teams-dr-drop-10-60-min},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-drop-10-60-min},
note = {Source note sip-session-timers-teams-dr-drop-10-60-min, checked 2026-09-25}
}