I need someone to develope a SIP client softphone for blackberry with Requirments below.
Codec: g729, gsm and g711-ulaw
Three way calling
Second incoming and outgoing calls
Recent calls (dialed call, received call, missed calls, at least 20 calls on each log and be able to make calls from the logs)
Phone book, calling from phone-book
Features that will make the software user friendly
Software should be connected to the server at all time (3G/EDGE/WIFI/GPRS)
I need exact coding you build the software with.