Hi I am looking for someone to implement a Library spec as defined in the attached document. the output should include: - source code - APIdoc that is fully documented - Developer Guide - Sample APP You will need to show me how to execute, compile, and run your code. I am looking for a full time freelancer on this project. This person should have experienced with IM and VoIP APP. All the backend restful, voip server are already taken care off. VoIP integration with backend VoIP server will provided as library or .a file. This person should have good documentation skill, good with OO programming and class design. You much be an experienced iOS Developer to do this job. You should be spending a day or less on setting up the basic framework. On a daily basis, you will provide some features that can be tested and verified.