Twilio DashBoard

Project Description:
We have a Twilio App which was successfully integrated and is working however we need a Dash board for User account management to be integrated as well by which we should have the below Essentials:

0.) client creates / deletes his account
1.) client enters a phone number and obtains a click to call button
2.) client credits his account
3.) client can check the callers to his number(s)
4.) client stops / start the click to call service
Please Apply only if you have any experience in Twilio Apps earlier. This task to be completed asap in a day or two. if more then we need what are the reasons.