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58 Tech
58 Tech
May 28, 2019 · Artificial Intelligence

Implementation of Voice Call Functionality in an Intelligent Voice Robot

This article details the architecture and implementation of the voice call module of an intelligent voice robot, covering SIP signaling establishment, RTP session handling, audio encoding/decoding, sampling, and packetization to enable automated outbound calls and multi‑round voice interactions.

AISIPTelephony
0 likes · 9 min read
Implementation of Voice Call Functionality in an Intelligent Voice Robot
Ctrip Technology
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.

CCodecMobile DevelopmentPhoneSDK
0 likes · 10 min read
Ctrip Mobile Call Center Solution: Architecture, Challenges, and the CCodec Audio Codec