We need to install the latest stable release of OPENSIPS and ASTPP in the server and then establish calls between users using SIPML5.
Calls should be established between
- Chrome to Chrome browsers
- Chrome to Android devices having the app installed and vice-versa
- Chrome to IOS devices having the app installed and vice-versa
- also includes a Chat function and the ability to call the PSTN
For video calling purpose we need the help of webrtc. The video call, voice call, voice chat should work seamlessly in both 2G and 3G networks.
10 freelancer đang chào giá trung bình $495 cho công việc này
I can install this software in your server, i deal with virtual telephony as a profesional. Relevant Skills and Experience 5 years working with IP telephony Proposed Milestones $250 USD - opensip install