SIP-GSM gateway on iPhone. iOS core low-level C programming.

This project received 1 bids from talented freelancers with an average bid price of $5263 USD.

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min $5000 USD
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Project Description

Topic is to recieve (terminate) sip via wifi or 3G connection decrypt and decode it and than transfer audio data to gsm/cdma channel directly to chipset or to modem driver interfaces (api)

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