Source note · TLS versions and cipher support across UC platforms
Webex Calling supports TLS 1.2 and TLS 1.3 for secure SIP.
Checked 2026-10-02
TLS version supported for secure SIP: TLS 1.2 and TLS 1.3
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- secure SIP
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Security requirements for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · TLS version supported for secure SIP
Cite this note
APA
WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-webex-calling-tls12-tls13. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-webex-calling-tls12-tls13
BibTeX
@misc{warmtransfer-claim-tls-version-support-uc-webex-calling-tls12-tls13,
title = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-webex-calling-tls12-tls13},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-webex-calling-tls12-tls13},
note = {Source note tls-version-support-uc-webex-calling-tls12-tls13, checked 2026-10-02}
}