Source note · Webex Calling device onboarding and activation codes
An announcement dated 11 August 2026 covers a PhoneOS firmware upgrade from 4.1.1 to 5.0.1 for Cisco 8875 and 9800 Series phones on Webex Calling.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Webex Calling devices
- Subsystem
- firmware announcements
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- announcement dated 2026-08-11
- Checked
- 2026-09-25
Sources
- Announcements for the Webex Calling Devices — Cisco Webex · tier 2 current vendor documentation · announcement 'Cisco PhoneOS 5.0.1 Firmware Upgrade' (August 11, 2026)
Cite this note
APA
WarmTransfer. (2026, September 25). Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-phoneos-501. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-phoneos-501
BibTeX
@misc{warmtransfer-claim-webex-calling-device-onboarding-phoneos-501,
title = {Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-phoneos-501},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-phoneos-501},
note = {Source note webex-calling-device-onboarding-phoneos-501, checked 2026-09-25}
}