Developer a SIP voip client Android and iOS

Dear Client. I have checked your requirements carefully and I have immense experience in VOIP application using QuickBlox... etc. Talking about me, I work as Project Manager for 7+ years, so I get rich and valuable experience in iPhone and Android Programming. The good point, if you choose me, is to build an app from start to finish on the iPhone, Android as well as backend with perfect result. I have also good ability to handle bug fix and upgrade the app. Areas of Expertise - Integration with Google Maps & Core Location (GPS) - JSON/XML based Rest APIs (3rd party APIs and custom back-end APIs) - Database Synchronisation (Custom Back-End Sync, iCloud Sync) - Audio streaming, voice recognition, and voice modulation - 3rd party Social Network Integration (like Facebook, Google+, Youtube, Twitter, Dropbox, Foursquare, Instagram, Tumbler, etc.) - Ad Network and Analytics Integration (Google AdMob, Flurry, Crashlytics/Fabric, etc.) We can talk directly for a detailed discussion and I can start immediately upon your decision. Hoping for a long-term relationship together. Thanks and regards! Cui

Hi, There! Thank you for your project description. Your project caught my eyes because it matches with my main skill set. As a dedicated full stack mobile developer I can do your project perfectly. Here is my profile's link: https://www.freelancer.com/u/jangjinmei728 We can discuss more details via chat. I will update you result every day. Also I will keep the deadline. Best regards,

Hi Hope you are doing well, I have read you post and project requirement, we can fulfill it with cost effective manner, quality work and on time delivery. We are IT professionals of 20+ team to manage Web Application, Mobile Application and Enterprises Solution, My Company Domaxy Info soft Pvt. Ltd. deliver quality work with Creativity and incredibility. We are Delhi NCR based organization and we ensure that your satisfaction is priority of us. We are providing service more than 5 years as Web development and mobile development company, we are having more then 50+ Active Client across the globe with 100 + project delivered successfully. Let’s connect on chat and discuss it on further

Hello,sir. How are u? iOS senior developer is here. I've just read your job post and much interested in your project. I have been creating high quality and excellent iOS and Android apps for 6+ years using Swift, Objectiv-C, Java. Here are some links to web& mobile apps which are developed by me. I'm expert in Geo-location, GPS tracking, Payment gateway integration, and Social media integration such as Facebook, Twitter and so on. I have good experiences in Firebase, Twillio Api, QuickBlox, AWS and so on. I can also develop backend apis using PHP(Laravel, Codeigniter), NodeJS, Python, as well as web portal including admin panel. I've rich experiences to work with various 3rd-party services and APIs to integrate them into existing and new applications to extend required functionality. The important thing is that I'll work on your time zone for the good communication. If you choose me, you'll never be disappointed in me, and I'll do my best. I can provide daily update for the project status.

Hello Hope you are doing good. I have been working with voip app since 3 years. As per your requirement linphone will be the best solution for you. I can provide you linphone with your branded logo and other features. Let me know if you are interested.