Change PIN option is Missing on the Yealink

Change PIN option is Missing on the Yealink Desk/Conference Phones

On the Yealink Desk and conference phones, the Change PIN option is missing under Settings / Basic Settings that the Yealink manuals state that should be there.

Change PIN is so the customer can change the default PIN for the Phone Lock feature from 123 to whatever value the customer wants to set the PIN to.

Cisco TAC advised this feature is not available on the default config of the devices even though Yealink's manuals say it's an available option, please work with Yealink to get the default config for the Yealink phones set to enable this option for the customer on the phones.