Source note · Setting up third-party SIP phones on Webex Calling
Cisco says minimum firmware requirements apply to customer-managed devices and refers the reader to the third-party vendor's documentation for them.
Checked 2026-09-30
There are minimum firmware requirements in place.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- firmware
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Add your customer managed device — Cisco · tier 2 current vendor documentation · section 'Get started with customer-managed devices'
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up third-party SIP phones on Webex Calling: source note webex-calling-third-party-phone-setup-cm-min-firmware. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-third-party-phone-setup-cm-min-firmware
BibTeX
@misc{warmtransfer-claim-webex-calling-third-party-phone-setup-cm-min-firmware,
title = {Setting up third-party SIP phones on Webex Calling: source note webex-calling-third-party-phone-setup-cm-min-firmware},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-third-party-phone-setup-cm-min-firmware},
note = {Source note webex-calling-third-party-phone-setup-cm-min-firmware, checked 2026-09-30}
}