We do not need a website but an VOIP app integrated on the website.
Integrate a kind of skype on my website where the users whou have an acount can make free call, video conversation and free sms.
At the same time building a smartphone app for both ios and android where the web user can decide if he want to make the phone call from the web or send it to the mobile app and talk through the smartphone.
8 freelancers are bidding on average $2275 for this job
I have gone through your requirement and I can complete the project within the time limit as per your expectation..looking forward for your reply.. Thanks & regards, Riyaz