
Ziwo.io
Stabilized global call quality, reduced operating costs, and readied audits for a high-scale contact center platform.
- Deployed in-country CNAP voice POPs with SBC clusters, media relays, carrier interconnects, and QoS routing
- Bridged local voice to WebRTC with SIP over WebSocket, ICE/TURN, DTLS-SRTP, and browser SDK integration
- Implemented smart routing, RTP anchoring, autoscaling media, and multi-zone high availability
- Improved MOS by up to 0.4, cut incidents about 60%, reduced COGS 20–30%, and automated audit evidence


