Source note · Troubleshooting Webex Calling survivability failover
The colocation article states that Webex Calling deprecates the RSAES-PKCS1-v1_5 encryption scheme on September 1, 2024 and that Site Survivability Gateways must be upgraded to Cisco IOS XE Dublin 17.12.3 before that date.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Webex Calling Site Survivability
- Subsystem
- software version
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- gateways below IOS XE Dublin 17.12.3
- Checked
- 2026-09-30
Sources
- Colocation of Local Gateway and Site Survivability on Cisco IOS Managed Gateways — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Prerequisites / certificates note on RSAES-PKCS1-v1_5
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Webex Calling survivability failover: source note webex-calling-survivability-troubleshooting-rsaes-deprec. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-survivability-troubleshooting-rsaes-deprec
BibTeX
@misc{warmtransfer-claim-webex-calling-survivability-troubleshooting-rsaes-deprec,
title = {Troubleshooting Webex Calling survivability failover: source note webex-calling-survivability-troubleshooting-rsaes-deprec},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-survivability-troubleshooting-rsaes-deprec},
note = {Source note webex-calling-survivability-troubleshooting-rsaes-deprec, checked 2026-09-30}
}