Development of a hosted VOIP/ IVR system which will have/enable the following features.
A Callback system using voip, which enables user to just dial a number and hang up then receive a call back from that number which connects the user to customer service.
3 freelancer đang chào giá trung bình $1250 cho công việc này
Hello, How are you? I have techniques of VOIP system programming. I can do your work in 10 days completely. if i could have a chance to work with you, it should be my pleasure. Best regards.