Source note · SIP session timers
Microsoft's Direct Routing guidance says refresher=uac makes the INVITE sender responsible for refreshes and refresher=uas makes the INVITE receiver responsible.
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', Note
Cite this note
APA
WarmTransfer. (2026, September 25). SIP session timers: source note sip-session-timers-teams-dr-refresher-meaning. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-refresher-meaning
BibTeX
@misc{warmtransfer-claim-sip-session-timers-teams-dr-refresher-meaning,
title = {SIP session timers: source note sip-session-timers-teams-dr-refresher-meaning},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-session-timers-teams-dr-refresher-meaning},
note = {Source note sip-session-timers-teams-dr-refresher-meaning, checked 2026-09-25}
}