How do I get contacts in Co-Workers Group to chat only with contacts in their subgroup?
Normally, contacts in the “Co-Workers Group” can see the contacts from the same group and the “Administrators” group. You can create a subgroup under this group and make contacts in this group to be able to see each other and contacts in the “Administrators” group only. To do that, right-click on the subgroup and click on “Limitations” option. Select “They can see contacts from this subgroup and administrators” option from the form appeared.