Source note · DECT and wireless voice devices
Cisco warns that the 840 and 860 may not work during a power failure because they depend on the Wi-Fi network to carry calls.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Wireless Phone 840
- Subsystem
- resilience
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Integrating Cisco Wireless Phone 840 and 860 — Cisco Webex · tier 2 current vendor documentation · Notes / warning on power failure
Cite this note
APA
WarmTransfer. (2026, September 24). DECT and wireless voice devices: source note dect-wireless-voice-800-power-failure. WarmTransfer. https://warmtransfer.net/knowledge/claims/dect-wireless-voice-800-power-failure
BibTeX
@misc{warmtransfer-claim-dect-wireless-voice-800-power-failure,
title = {DECT and wireless voice devices: source note dect-wireless-voice-800-power-failure},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dect-wireless-voice-800-power-failure},
note = {Source note dect-wireless-voice-800-power-failure, checked 2026-09-24}
}