Release Notes for Cisco PhoneOS Phones 9800 and 8875

Publisher

Cisco Systems (Webex Help Center)

URL

https://help.webex.com/en-us/article/n1trwjh/Release-Notes-for-Cisco-PhoneOS-Phones-9800-and-8875

Published

2026-09-01

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• On PhoneOS 3.2 and later, features delivered through UCM device packages require UCM 14 or 15, and on PhoneOS 5.0 they require UCM 15. in context
• As of the page's 2026-09-01 update, the latest PhoneOS release for 9800 Series and 8875 phones is 5.0(1), released 2026-08-19. in context
• PhoneOS 9800 Series and 8875 phones require Cisco Unified CM 12.5(1) or later. in context
• 9841NR and 9851NR phones with hardware VID V07 or later appear as phone types only when UCM has cmterm-devicepack15.0.1.15036-1 or later installed. in context

Cite this source record

APA

WarmTransfer. (2026, September 1). Release Notes for Cisco PhoneOS Phones 9800 and 8875. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-help-n1trwjh-phoneos-9800-8875-relnotes

BibTeX

@misc{warmtransfer-cisco-help-n1trwjh-phoneos-9800-8875-relnotes,
  title  = {Release Notes for Cisco PhoneOS Phones 9800 and 8875},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-help-n1trwjh-phoneos-9800-8875-relnotes},
  note   = {Cisco Systems (Webex Help Center), accessed 2026-09-25}
}