Need a Mobile SIP dailer software similer like Fring

Project Description: Dear Programmers, I Need a Mobile SIP dialer similar like FRING. It should contain same features like fring. Please check ([login to view URL]) for details feature description. This software should need following features- 1. User friendly interface 2. Easy installing procedure ( plug and play ) 3. Instant Messaging (integration with msn contacts, yahoo contacts, skype. ) Chat and call: MSN, Skye Yahoo, Fring , ICQ, Gmail 4. Facebook and twitter functionality [login to view URL] SIP dialer for OS Mobile: Symbian (ALL), iPhone & iPod, Windows, Android OS, (communication via either GPRS, EDGE, 3G or Wi-Fi connection), Voice & Video 6. Dialer supports G729, G.711, G723.1, iLBC codec for sending audio & video data. 7. Dialer should be able to run behind NAT or on private IP 8. Full source code must be provided with proper comments on the code. hard coded and will be branded in our [login to view URL] will need to have the following features 1. Lower bit rate codec support like g723 2. Brand and Name 3. Balance display ( through web query) We are open to discussion if you have something to say ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. ability to make app to app freecall (e.g : skype, whatsapp, fring, viber, etc etc..) app to landline call app to mobile call webRTC call. the application will bear the name : ecallme the domain [login to view URL] is already bought. attached is the logo provided for the application Please take my bid if you are competent enough to provide.