SparkTG
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SparkTG Voice Streaming is a real-time media streaming API that delivers live call audio to your applications over a low-latency, bidirectional WebSocket connection. Power AI voice agents, live transcription, sentiment analysis, and compliance monitoring on your own stack—without managing telecom infrastructure.
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Everything you need to know about Voice Streaming Services
Voice streaming is the real-time delivery of live call audio to an external application, and SparkTG Voice Streaming makes it available as a developer API. Instead of waiting for a call to end, you receive audio as it's spoken over a persistent WebSocket connection—and can stream synthesized audio back into the same call. This makes it the foundation for AI voice agents, live agent-assist, real-time transcription, voice biometrics, and compliance monitoring. Built on SparkTG's India-based, carrier-grade cloud telephony network, it streams inbound and outbound calls at scale using standard codecs, so your speech, NLP, or analytics stack plugs in directly—no telecom plumbing to maintain.
Pipe live caller audio into your LLM or speech engine and stream responses back into the call, turning any phone number into a conversational AI agent.
Transcribe, score, and analyze conversations while they happen—not after—enabling live agent-assist, intent detection, and supervisor alerts.
Stream audio to your own speech-to-text, NLP, and storage. No lock-in to a single transcription vendor or black-box analytics engine.
Run real-time voice AI on infrastructure operated within India and aligned with TRAI and DLT norms, keeping sensitive call audio in-region.
Explore the powerful capabilities of Voice Streaming Services
Receive inbound caller audio and inject outbound audio into the same live call over a single WebSocket session—the basis for two-way voicebots.
Audio frames stream in near real time, keeping voicebot and agent-assist responses natural and conversational. [VERIFY: state a real latency figure, e.g. sub-300ms.]
Stream raw PCM, μ-law, or Opus to match most speech recognition and AI engines without extra transcoding.
Start, pause, and stop streaming mid-call via API to control cost and capture only the call segments you need.
Stream audio for received and dialed calls across IVR, queue, and agent legs.
Encrypted media channels and token-based authentication protect sensitive call audio in transit, on India-based infrastructure aligned with TRAI guidelines.
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Common questions about Voice Streaming Services
Voice streaming is the real-time delivery of live call audio to an external application over a persistent connection. Unlike call recording, which produces a file after the call, voice streaming sends audio as it's spoken—enabling AI voicebots, live transcription, and real-time analytics during the conversation.
Voice streaming delivers live, two-way call audio to your software in real time for AI and analytics. Voice broadcasting sends pre-recorded messages to many recipients at once. Streaming is interactive and real-time; broadcasting is one-way and outbound-only.
Call recording gives you a file to process after the conversation ends. Voice streaming delivers audio live, during the call, so you can act on it immediately—responding as an AI bot, prompting agents, or flagging compliance issues mid-conversation.
Common use cases include AI voice agents, live speech-to-text transcription, real-time sentiment and intent analysis, voice biometrics, agent-assist tools, and live compliance monitoring for regulated industries like BFSI and healthcare.
SparkTG streams call audio as raw PCM, μ-law, or Opus over WebSocket, so you can feed it directly into most speech recognition and AI engines without additional transcoding.
Yes. Voice Streaming is bidirectional. You can inject synthesized or pre-recorded audio into the active call, which is how AI voicebots respond to callers in real time.
Yes. You can stream audio for inbound calls, outbound calls, and across IVR, queue, and agent legs.
Yes. SparkTG is an India-based cloud telephony provider, and Voice Streaming runs on infrastructure aligned with TRAI guidelines and DLT requirements, with encrypted media transport keeping sensitive call audio protected and in-region.
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Get started with Voice Streaming Services today and see how our solution can help your business grow.