Before the DBS-110/210 firmware 5.1.3SR1 maintenance window (May 2026), Cisco told customers to disable 802.1X on all switch ports connected to Cisco DECT bases, re-enabling it only after the upgrade.

Checked 2026-10-02

make sure that 802.1X is disabled on all switch ports connected to Cisco DECT bases before the maintenance window
Vendor
Cisco
Product
Webex Calling
Subsystem
DECT firmware
Deployment
multi-tenant
Region
not restricted
Release range
firmware 5.1.3SR1 rollout, May 2026
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting DECT handsets on Webex Calling: source note webex-calling-dect-troubleshooting-fw513sr1-disable-8021x. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-dect-troubleshooting-fw513sr1-disable-8021x

BibTeX

@misc{warmtransfer-claim-webex-calling-dect-troubleshooting-fw513sr1-disable-8021x,
  title  = {Troubleshooting DECT handsets on Webex Calling: source note webex-calling-dect-troubleshooting-fw513sr1-disable-8021x},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-dect-troubleshooting-fw513sr1-disable-8021x},
  note   = {Source note webex-calling-dect-troubleshooting-fw513sr1-disable-8021x, checked 2026-10-02}
}

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