Cisco IP Phone security on 9800/8875 (Unified CM)

Publisher

Cisco Systems

URL

https://help.webex.com/en-us/article/ntlf2i6/Cisco-IP-Phone-security-on-9800/8875-(Unified-CM)

Published

2026-08-06

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Cisco copyright; no-redistribution; short excerpts and locators only

Source notes citing this source

• On 9800 and 8875 phones 802.1X is turned on at Settings > Network and service > Security settings > 802.1X Authentication. in context
• On 9800 and 8875 phones an LSC is requested from Settings > Network and Service > Security settings > LSC by entering the authentication string, and the phone shows Installed on success. in context
• From PhoneOS 3.2, 9800-series phones can use an LSC as the user certificate for EAP-TLS with WLAN authentication. in context

Cite this source record

APA

WarmTransfer. (2026, August 6). Cisco IP Phone security on 9800/8875 (Unified CM). WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-help-ntlf2i6-9800-8875-security

BibTeX

@misc{warmtransfer-cisco-help-ntlf2i6-9800-8875-security,
  title  = {Cisco IP Phone security on 9800/8875 (Unified CM)},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-help-ntlf2i6-9800-8875-security},
  note   = {Cisco Systems, accessed 2026-10-02}
}