We need to have a softphone like this:
[url removed, login to view]
This webphone is allow the customers can input their SIP account (Username, Password, Proxy or Domain) and make call from the web
5 freelancers are bidding on average $550 for this job
Don't keep still on talking, please provide related files and we'll make a mockup for you, that is the most direct way, the strength will prove everything. Please check PM for samples' thing.