Hi, I need to get native apps for android and ios for SIP Audio calling, Video not needed. Calling can be done app to app and on phone number as well. SIP Gateway would be provided. You have to manage for app to app call
Something like rebtel.
Customer can buy the package from app/website and call via website/app
There should be front end, super admin backend, backend for resellers, account page for customers, native android app, native ios app.
If economic, then blackberry and windows app as well
20 freelancers are bidding on average ₹193361 for this job
Hi, i have lots of experience in voip and specifically voip switch. I offer my services for your project. I can assure you a high quality professional service. We can chat details including milestones.