Ctrip Technology

Jul 27, 2017 · Mobile Development

Ctrip Mobile Call Center Solution: Architecture, Challenges, and the CCodec Audio Codec

The article presents Ctrip's mobile call‑center solution, detailing its system architecture with SBC integration, the network challenges of mobile environments, the optimized SIP protocol, the custom CCodec audio codec with dynamic bitrate and low latency, and a real‑world deployment using PhoneSDK.