A website where users are billed through different payment gateways to use these services: voice broadcasting, IVR, conference calls. We will use twilio API. users will register first, receive a particular amount as test credit to try the services, upgrade to a paid service,load their online account with us to get access to our services, they are billed in REAL TIME(based on our pricing packages) as they use and can see their account balance when they [login to view URL] choose to see their transaction history with transaction dates, types and costs. Developer will also build our API for each services so that 3rd party applications can connect to their online accounts with us.
Hello Respected Client,
I have Read your requirements and we are very experience in this concept.
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Thank you !