IP Phone 8821 and Cisco Compatibility Extension

[oelis]

Hi everyone !
i need just one information.
What is the higher version CCX supported by client Wireless Ip Phone 8821 ?

To use CCX version 4 for exemple, do i need a specific licence or basic is accepted ?

The reason:  with my AP 1832I + IP Phone 8821, the CCX version displayed in monitor client, is always CCXv1.

If I look in another client (labtop for example) I have CCXv4

I need v4 because I wish use RF Parameters into Client Roaming option in WLC, and this is the client who negociate the CCX version.

https://ccie-or-null.net/2011/05/16/control-roaming-wlc/ 

Thank for all,

[oelis]

Hi Everyone,

the problem was the AP 1832I, doesn't supports CCX version 4.

It was'nt a Wirelless Phone probleme and compatibility

The answer, is from support TAC:

https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn85mr5.html?referring_site=RE&pos=2&page=https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn88.html

By !