Add Doubango and SIP Functions on an app

Hi! Nice to meet you. I am full stack developer. I have more than 5 years experience in development. I am professional in these fields: PHP Development with Responsive Design HTML, CSS, Javascript, Jquery, MySQL, MySQLi, Ajax and Codeigniter, laravel, WordPress, Opencart, Twilio, plivo,etc. And also good knowledge about API development for Android and iOS. I have created so many PBX system. I worked on -> voice, video call with one to one and conference call. -> call forwarding in Twilio -> created IVR systems -> Call recording and transcription -> send and receive SMS in Twilio -> send and receive Fax in Twilio -> get Google analytics data -> server management like aws install php, Apache2, mysql,etc. -> good knowledge in payment gateway like strip, PayPal,breantree -> bambora payment api My first priority is to satisfy the client, provide them quality work within a required time frame. I will serve you whenever you want. No Worry About Difference of Timezone! Thanks for your attention.

Hi there! if you want an extraordinary and quality app than you are reading a right bid, just click on chat button to allow me to share my previous apps witih you :) We have more than 7 years of experience in PHP, android and IOS :) REGARDS: Grewal

Hello, how are you? I hope you have a bright day/evening from your side. I DO NOT OUTSOURCE I have been a freelancer for the past 8 years, I believe that my experience and skill in this background will prove to be of great help to you. Contact me to discuss more on the details

i have a big eperience with webrtc sipml5 and js to make a great softpone web , and advanced experience with stun and tun servers to handled the nat audio

Thanks for your posting      I already checked your project details and we have done same type for work before  I can provide you complete demo for your work FREE        I have 12  years of expert team in different  softwares, web solutions and mobile solutions.  waiting for your reply Thanks and Regards,     

Hi, I am familiar with softphone and web app