This chat can be used to provide support to your customers and answer their queries. In this scenario, the site visitors won't be able to talk to other visitors, instead they would only see support staff.
In order to use live chat or support chat version in Drupal 7, follow the steps give below:
- Install chat as explained in this installation guide - https://iflychat.com/installation/drupal-chat-module
- Next, go to admin/config/drupalchat/configuration
- Set 'Select which chat software to use' option to 'Support Chat'
In DrupalChat module, all users having administer_drupalchat permission are considered as support staff.