Hi, My name is Raju. I’ve read your brief and can see that you’d like to Integrate Twilio for sms and voice call. i have experience with twilio for send sms not voice call but i will do it. I have over 6 years experience of designing and developing applications for Asp.Net(MVC)/C#.Net/WPF/AngularJS/WebApi/MSSql/MySql and many more... . If you'd like to view my previous work, take a look at my Portfolio. i will provide you quality work on time, please give me chance work with you and build long term business relationship. Thank you :)