need to develop a voice conference software by mdradcomm

we are looking for develop a PTT voice conference system with gps position of the hardware which can be able to received & transmit the voice over ( voip) mode in half duplex & duplex both & able… (Budget: ₹12500 – ₹37500 INR, Jobs: .NET, C# Programming, C++ Programming, Linux, Raspberry Pi)

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