You can easily update features keys from the VentureTel control panel, by logging into the control panel at https://control.venturetel.co then going to devices in the SmartPBX dashboard.
- Find the device you would like to update, and click the wrench to edit settings.
- Under "Advanced Settings" select "Feature Keys"
- Add, Update, Edit keys as you wish. It's also easy to rearrange the order by dragging and dropping the feature key on the left.
- Save your settings when done and restart the phone for the changes to be provisioned and updated on the phone.