How to block presence information in 3CX Apps/Web Client/Browser Extension

3CX has the ability to block the current presence information to all extensions. 

Step:

2. On 3CX Phone System Management Console. 

1. Click Extensions.

1. Select Extension. 
2. Click Edit. 

1. Click Phone provisioning Tab.
2. In Phone Provisioning Group, Select the right phone (This will display the setting for phone selected).
3. In Access Group, Select Block Presence information in 3CX Apps / Web Client / Browser extension.
4. Click OK to apply changes.