FreJun Blog
A practical guide to connecting the Gemini Live API to live phone calls in 2026. Covers the WebSocket transport, the
A technical walkthrough of using the Deepgram API for live call transcription in 2026, covering WebSocket transport, audio format requirements
Twilio Media Streams forks live call audio over a secure WebSocket connection, delivering raw μ-law audio at 8 kHz for
Cartesia AI is a real-time voice model platform that exposes WebSocket-based TTS and STT endpoints, but it provides no PSTN
A technical guide to using the Whisper API for phone call transcription in 2026, covering file upload and live WebSocket
Building an n8n voice agent requires understanding where n8n stops and where a real-time telephony layer must begin. This guide
SIP trunking connects IP communications infrastructure to the PSTN using the Session Initiation Protocol, letting developers route inbound and outbound
This guide covers how to build Indic-language voice agents using the Sarvam API for speech recognition and synthesis, paired with
Sarvam AI text-to-speech (Bulbul v3) generates natural Indian-language speech via REST and WebSocket, but it has no built-in PSTN or
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