Build me a Video & Voice call for website, without third party

No upfront payment and Payment after work. We have already designed, developed & successfully delivered many "video call & voice call" Android & iOS Mobile apps for various clients similar to your requirements in the past. Respond to discuss about your requirements. We offer payment after work terms and 1 Year Free Maintenance after delivery to support your business in making it a Great Success. We are professional expert team of 100 Mobile app & website developers each having an experience of more than 8+ years. We design & develop as per your project requirements. OUR SKILLS: APPS: Android/iOS/iPad, Android studio, Swift, Reactnative, Ionic, Xamarin Etc. Games:Unity, Unreal Engine, Corona, SpriteKit, etc. Website & Backend: Php, Codeigniter, Laravel, Wordpress, Magento Etc. Database: Mongodb, firebase, Mysql, Nodejs, AWS, Nosql. ADDITIONAL BENEFITS: a. 1 Year Free Maintenance b. Extensive Quality Check & Testing. c. Documentation and Suggestions for improvements. d. Support and Maintenance with quick turnaround time. e. Free uploading apps into app stores f. Free UI/UX Designing Please leave a message with your available timings if I'm Offline. I will reach you ASAP Awaiting for your response Regards, Martin