To change the software version of any VVX310 visit the Polycom Provisioning Server:
http://96.244.192.115/
There, select the version that you would like to install. Ringcentral currently requires ver. 4.1.6.
- Server Type: HTTP
- Server Address: 96.244.192.115/416
The phone will restart a few times and install the software package. Provision phone to Ringcentral settings after installation is complete.