On the left is an example of the expansion. Schedule is set up so that each hour displays different contacts.
TsContacts can be useful if your site you need to frequently change the contact information, if you are running a call center or a few people are responsible for the consultation: at different times, different phone number, email, skype.
For example, from 00:00 to 08:00 is displayed can contact one person, from 08:00 to 16:00 of the second, from 16:00 to 24:00 the third. This is the task TsContacts.
All you need to do - to create contacts and distribute the time display on the site.