Phone Apps are designed to work only with Sangoma IP Phones. Please see our End of Sale notice here on Phone Apps with 3rd Party Phones.
- Press the DND button on your phone.
- Here you can see the Enabled field is set to "No." Press the Change button to enable DND.
- You'll now see this field says "Yes" and DND is enabled. The light on your programmed DND button will also turn red when enabled.