Admins can disable image messaging—the ability to send images over a Zello Work network—for all users via the management console.
To disable image messaging:
1) Sign into your network's Zello Work management console at yournetworkname.zellowork.com.
2) From the console's navigation bar, go to Settings.
3) Under General > Image messaging, click the toggle to disable image messaging.
4) Click Save and Apply.