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I want someone to develop a desktop software for windows or mac that you give the sip details for voip give a custom Caller ID (cli) and a phone number list and start making calls and hangsup after 1 second. The program must have a start button(to start dialling the numbers list), also a pause button and a stop button. Multithreading also is required to make at most 10 calls the same time.
My budget is 250 usd