The following table lists the phone models that are not supported in Cisco Unified Communications Manager Release 11.5(x), 12.(x) and 14.(x). If you are using any of these phone models and you upgrade to one of the following releases, you will not be able to use these phones after you upgrade. After you switch over to the new release, registration of these phone models will be blocked. If the phone remains powered on, the phone will make repeated registration attempts, which will create unnecessary network traffic as well as a load on the Cisco CallManager service.
+++++++ Please see attached spreadsheet ++++++++++
The deprecation status in Release 11.5(x) carries over to Release 12.(x) and 14.(x).
The deprecation status in Release 12.(x) carries over to Release 14.(x).
These phone models are being deprecated for the following reasons:
Security – Since legacy phone models are not updated with critical software fixes, we have limited ability to protect customers when security issues arise.
New Feature Implementation – Some phone models were introduced many years ago (for example, the 7900 series was introduced ten years ago). The old hardware on these phone models impacts the implementation of new features and new security features.
Sustaining – No development support or regression testing is currently being done for these older phones.
End of Life – The phone models listed above have their End Of Sale and End of Life announced.
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