Source note · Wi-Fi design for voice
Cisco TechNote 214215 says a moving phone must hear each roamed-to AP at least 5 seconds before it needs to roam to it.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Wireless IP Phone 8821
- Subsystem
- roaming
- Deployment
- on-premises
- Region
- not restricted
- Release range
- as of 2021-04-22 update
- Checked
- 2026-09-25
Sources
- How to get your 8821/792x wireless phones performing reliably — Cisco Systems · tier 2 current vendor documentation · Section 1, Have solid coverage in 5GHz
Cite this note
APA
WarmTransfer. (2026, September 25). Wi-Fi design for voice: source note wifi-voice-design-8821-roam-lead-time. WarmTransfer. https://warmtransfer.net/knowledge/claims/wifi-voice-design-8821-roam-lead-time
BibTeX
@misc{warmtransfer-claim-wifi-voice-design-8821-roam-lead-time,
title = {Wi-Fi design for voice: source note wifi-voice-design-8821-roam-lead-time},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wifi-voice-design-8821-roam-lead-time},
note = {Source note wifi-voice-design-8821-roam-lead-time, checked 2026-09-25}
}