Source note · UCaaS platforms compared
Active-call behaviour at failover differs as documented: Microsoft says ongoing calls continue when Teams switches to the SBA, while Zoom says active calls are dropped when clients fail over to ZPLS.
inferred · Checked 2026-09-30
- Vendor
- multi-vendor
- Product
- UCaaS
- Subsystem
- survivability
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Status
- inferred
- Checked
- 2026-09-30
Sources
- Survivable Branch Appliance for Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · 'How it works' first paragraph; zoom-kb0058798-zpls-getting-started limitations section
Cite this note
APA
WarmTransfer. (2026, September 30). UCaaS platforms compared: source note ucaas-platform-comparison-active-call-survival-differs. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucaas-platform-comparison-active-call-survival-differs
BibTeX
@misc{warmtransfer-claim-ucaas-platform-comparison-active-call-survival-differs,
title = {UCaaS platforms compared: source note ucaas-platform-comparison-active-call-survival-differs},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucaas-platform-comparison-active-call-survival-differs},
note = {Source note ucaas-platform-comparison-active-call-survival-differs, checked 2026-09-30}
}