My in-house contact-centre stack is almost ready: a React softphone running SIP.js hands WebRTC traffic to FreeSWITCH, which in turn should hand the call to an Airtel SIP trunk for delivery to the PSTN... (Budget: ₹100 - ₹400 INR, Jobs: Asterisk PBX, Lua, PHP, SIP, Telecommunications Engineering, VoIP, WebRTC, XMPP)
