Dialerproject

Hi, find below the requirement and if you have any doubt plz reply me. We are looking for a fully featured mobile phone dialer with built-in mini-SIP tunneling capability. We need full source code of the whole project. Project Description: We are looking for the following features and functionalities. · Android , iphone , windows, symbian and BB OS platforms must be supported. That means it must run well in major mobile phones in the market. · The dialer must support SIP platform completely and has to be compatible with major SIP softswitches. · It must have mini-SIP tunnel to bypass VOIP blockage. It must work from behind the NAT or from private IP. · It must have dial, redial, receive, hangup, call hold, mute, transfer, conference, speaker phone, volume control features. · It must have user friendly graphical interface. · Call status detector on the screen including call timer. · It should have a separate contact book with search feature. But it should be able to dial the contacts saved in standard contact book of the phone. · Call history including all, recent, dialed, miss calls should be there. · It must work with EDGE/GPRS, 3G and WiFi internet. · It should have the ability to generate DTMF. · Voice quality management including silence detection and packet loss management. · Multilingual support. · It must support g729, g723.1, AMR and GSM codec. · Multitasking support so that other functionalities doesn’t hang while using the phone. · Overall user interface design has to be clean and source has to be clean as bugfree. regards