07-29-2017 11:15 PM
Want feedback on this.
I tried to factory default by USB where I copied ver 4.1 and the activation code the same in Sw_keys.txt
But every time the unit defaults to ver 6.0.1 only i.e it does not down grade to ver 4.1.
We need to down grade the unit to make it compatible with Cisco VCS ver 7.2.2 (older version only compatible with lower versions of Group series)
07-31-2017 10:48 AM
Downgrading of Polycom codecs is only available via RPRM or by USB stick. It is covered in the Admin Guide.
There are minimumal software versions based on the hardware version, refer to the Release notes for that. Those are necessary as some hardware requires additional drivers and older software would not have them.