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CallTower Solutions Center

External Vendor - Device End-of-Life Process


Provides the process and details of the End-of-Life process for some of CallTower's device vendors.




  • End of Life notice period = at least 60 days
  • Support during EOL = Up to 5 years
    • Open Support Tickets
    • Access Software and Firmware updates
    • Repairs and Returns
    • Access for Critical Existing/New Software Bugs
    • No new software or feature enhancement requests after EOS


EoL Products (


  • Full Support – 1 year from end of life date
  • Bug Fixes – Up to 5 years
  • After EOL – No new features/enhancements
  • Returns/Replacement parts – Done through local distributors and subject to availability


Products - End-of-Life Policy - Cisco

  • One (1) year of routine failure analysis for hardware from the EOS date.
  • One (1) year of bug fixes, maintenance releases, workarounds or patches for critical bugs from the EOS date, when reported to TAC. After the first year, Cisco will provide bug fixes, workarounds and/or patches, where available, for (i) two (2) years for OS software, and (ii) one (1) year for application software. Customers may be required to install a newer software version to receive the above software support.
  • Three (3) years of TAC support for OS software from the software EOS date, except for the final release of the OS software running on EOS hardware as noted below.
  • Two (2) years of TAC support for application software from the EOS date.
  • TAC support from the EOS date until the end of the term for subscription software and cloud services.
  • Five (5) years of TAC support for hardware from the EOS date. TAC support for the final release of OS software running on the EOS hardware will be coterminous with the hardware LDOS, regardless of the OS software EOS date.
  • Five (5) years of replacement parts for hardware from the EOS date, in accordance with Cisco’s Return Materials Authorization (RMA) process.
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