Video call option on my web site... -- 2

I need video call option on my website Explanation: 1.I have my users and this users are in database 2. There is profile page where you can see this user [login to view URL] that profile page is button for video call [login to view URL] you click on this button for video call you call this person [login to view URL] on the other side have to receive some alert to answer on call 6. On that page or on the other page video call is working This task have to work between all users on my website That is about all task, if you can do it, send me a message. It will be great to integrate Big Blue Button.