Fix bug video call with Sinch in Swift 4

Hello, Greetings from Wholly Software! I have company that’s name Wholly Software. We are Working Website Designing, Custom Software Development , Backend development(Core PHP, Laravel, Codeingnator), Mobile Applications(iOS & Android). iOS application develop using latest Swift or Objective C language in Xcode and Android application develop using Java and Kotlin language. We have 6 years experience in like, Ads integration, Application Improvement, Apple Map, Google Maps, Managing API, Web Services, Localizations, Custom keyboard, Other extension, Generate Notifications, SQL lite Database, Realm Database, Material Design, Responsive Screen, Firebase Integration, Upload iOS App to AppStore and Android app to playStore, Update your app, Convert Android app to iOS app and Bugs fixing, etc... And i will give 100% guarantee of results and try to complete your work in minimum time period. I have completed total 56 projects in freelancing with best review of client. If you eligible me to work for this project , then we would like to work with you and build a long-term business relationship with you. Best regards Whollysoftware

Hello there, Hope you are doing well, I think the problem is with the backend server, anyway I can rectify it. I am having 5 years of professional experience in iOS mobile app development (Swift & Objective-C) & I have worked on several apps. I am new to freelancer platform, but I am having rich experience in developing mobile apps for my employer if you want to see my portfolio please let me know. Looking forward to hearing from you soon & I would love to build a long-term relationship. Let's discuss your requirement in private chat. Thanks