| UCCX Version | End of Sale Date | End of SW Maintenance Releases Date: Subscription | End of Change/Renewal Date: Subscription | Last Date of Support: Subscrption | Variphy Last Date of Support* |
| 15.0 | |||||
| 12.5 | |||||
| 12.0** | April 23, 2021 | NA | April 23, 2022 | August 31, 2023 | August 31, 2025 |
| 11.x | April 23, 2021 | April 23, 2022 | April 23, 2022 | April 30, 2024 | April 30, 2026 |
| UCCX Version | End of SW Maintenance Releases Date: App. SW | End of New Service Attachment Date: App. SW | End of Service Contract Renewal Date: App. SW | Last Date of Support: App. SW | Variphy Last Date of Support* |
| 10.x | January 7, 2020 | January 7, 2020 | April 4, 2021 | January 31, 2022 | Not Supported |
| 9.0 | July 16, 2016 | July 16, 2016 | October 12, 2017 | July 31, 2018 | Not Supported |
| 8.5 | August 25, 2015 | August 25, 2015 | November 20, 2016 | August 31, 2017 | Not Supported |
| 8.0 | November 21, 2012 | November 21, 2012 | February 17, 2014 | November 30, 2014 | Not Supported |
| 7.0 | April 17, 2012 | April 17, 2012 | July 14, 2013 | April 30, 2014 | Not Supported |
- * Variphy will typically support Cisco Unified Communication releases for 2 years after the Last Day of Support established by Cisco.
- ** Replaced by Flex Licensing. All perpetual UCCX licensing is End-of-Sale and End-of-Life
