Convert Open source SIP Phone in reusable Android JAR File

We will like a developer with extensive Java and Android mobile development experience to take an open source SIP phone (LINPHONE), source can be found here: [login to view URL] And make an Android .JAR library of that SIP phone, the goal is to STRIP all the UI from that opensource project and create a library that HAS ALL THE FUNCIONALITY OF THE SIP PHONE IN IT, and can be used to include in the making of another Android application. The goal is to make a JAR file that has functions for example: RegisterClient (server, sipport, username, password, STUNServer,Proxy server), and that java function can be called and the JAR file will the make the connection to the SIP server. ("that is just an example"). Only people with real experience in JAVA programming and ANDROID development should BID on this project. we dont want any newbies here or people with no experience or ratings on freelancer the JAVA libraries should be able to be used and comply with the latest requirements from google for 64BIT frameworks and environments