URGENT: iOS/Android native SIP/WebRTC client with VPN

Hello , Thank you for submitting your requirements!!! I was looking through your project requirements and I do believe it's something we have experience in previous development and we can complete in a reasonable amount of time and cost. I have reviewed your job and find my self experience in working with similar kind of job.  What I ensure from my end. I provide the complete solution where I provide the code that is easily maintainable, clean codes and provide seamless integration of new functionality. I give attention to details and ensure that the Application to be developed is User friendly. For quick reference here are some of the previous work which is very much similar to your requirement. We want to make a long term business relationship with you  We looking after to have a positive reply from you. My first goal is client's satisfaction. Please give me a chance to proof my ability. Working with me, you have no need to find a developer more, I will be the open Thanks & Regards

We need a custom SIP/WebRTC client which can make inbound and outbound calls with the numbers encrypted. On receiving an inbound call, it calls an external API (SFDC) to find out if the number is registered and depending on whether it is registered, a URL scheme is invoked to open a specific page. The custom app also needs to call wrap up functionality to take call notes. For outbound call, the SFDC calls the localhost of the mobile app with the number and the app calls the sip server for the call The mobile app connects to the SIP server through a VPNWe need a custom SIP/WebRTC client which can make inbound and outbound calls with the numbers encrypted. On receiving an inbound call, it calls an external API (SFDC) to find out if the number is registered and depending on whether it is registered, a URL scheme is invoked to open a specific page. The custom app also needs to call wrap up functionality to take call notes. For outbound call, the SFDC calls the localhost of the mobile app with the number and the app calls the sip server for the call The mobile app connects to the SIP server through a VPNWe need a custom SIP/WebRTC client which can make inbound and outbound calls with the numbers encrypted. On receiving an inbound call, it calls an external API (SFDC) to find out if the number is registered and depending on whether it is registered, a URL scheme is invoked to open a specific page. The custom app also needs to call wrap up functionality to take call notes. F

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Dear Sir! I make iOS/Android native SIP/WebRTC client with VPN ++ This is my job. I'm ready to begin now. Pm for me. Please check my reviews and profile https://www.freelancer.com/u/ProfSoftStudio.html

Hello I have gone through your requirement for iOS-Android App Development, actually we have an excellent team, expertise in APP Development in both the technology. We will provide you “User friendly UI/UX - Responsive Design - Design on latest trends - Eye catching effect Design Templates and Unlimited design revision - Robust and Bug free code Relevant Skills and Experience Xcode, skill use to implement like UI / UX, Swift, SQL, RESTful APIs, JavaScript, Node.js ,Agile methodologies, Android (SDK), (CSS),Cocoa Touch ,GitHub, (GUI),iOS platform & iOS (SDK) Proposed In addition it would be great if you could provide use with the following details for a better understanding of the project requirement. Like Any wire-frame or rough sketch of the Application? Feature list or reference App? Thank you