You can update phone configurations and upgrade phone firmwares for all or selected devices.
- Go to System > Maintenance > Phone Maintenance Job.
- Click New and select to do a configuration update or firmware upgrade.
- Configure the maintenance job.
- For Extension Selection, enable All related devices if you want to update the phone configuration or upgrade the phone firmware for all devices.
If you want to update phone configurations or upgrade phone firmwares for selected devices, then disable All related devices.