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Leading Voice AI Development Company

SoftUs Infotech is a specialist voice AI development company building real-time voice agents, conversational AI systems, and intelligent call automation for startups. We combine state-of-the-art TTS (text-to-speech), STT (speech-to-text), and LLMs to create voice AI experiences that engage naturally, handle complex conversations, and scale to millions of calls.

Voice AI Systems Built
10+
Response Latency
< 300ms
Languages Supported
40+
Client Rating
4.9/5

Real-Time Voice Agents That Sound and Think Like Humans

Why choose SoftUs Infotech

Trusted by 45+ startups across 25+ countries. Here is what sets us apart.

01Headline reason

Real-Time Voice AI Agents

Sub-300ms latency voice agents that can handle inbound and outbound calls. Answering questions, collecting information, qualifying leads, and escalating to humans when needed.

02

Natural-Sounding TTS & Voice Cloning

Using ElevenLabs, PlayHT, and custom neural TTS models to create voices that are indistinguishable from human speech, including custom branded voices and voice cloning.

03

Multilingual Voice AI

Support for 40+ languages with native-quality speech recognition and synthesis. Including regional accents and code-switching for bilingual conversations.

04

Call Center Automation

Replace or augment traditional IVR with intelligent voice agents that understand natural language, handle complex queries, and provide personalized responses, 24/7, without wait times.

05

Voice AI Integration

We integrate voice AI into existing telephony (Twilio, Vonage, AWS Connect), web apps, mobile apps, and smart devices, working within your current infrastructure.

How we work

A predictable rhythm. Discovery is a real conversation, not a sales call.

01

Discovery Call

30-min session to scope your use case

02

Sprint Planning

Define milestones, team, and timeline

03

Build & Iterate

2-week sprints with live demos

04

Ship & Support

Deploy to production with monitoring

Questions buyers ask

Honest answers, kept short. If you need depth on one of these, book a call and we will go deeper than any FAQ allows.

  • 01

    What's the difference between a voice bot and a voice AI agent?

    Traditional voice bots follow rigid scripts and menu trees. Voice AI agents understand natural language, handle interruptions, remember context, and adapt to unexpected inputs, delivering a conversational experience that feels human.

  • 02

    How low is the latency in your voice AI systems?

    We optimize for sub-300ms end-to-end latency (from user speech to AI response) using streaming STT, parallel processing, and edge deployment. This is fast enough that conversations feel natural.

  • 03

    Can voice AI handle complex or emotional conversations?

    With the right design, yes. We build sentiment detection, empathy responses, escalation triggers, and human handoff protocols into voice AI systems that handle sensitive conversations like healthcare intake or customer complaints.

  • 04

    How do you handle different accents and speech patterns?

    We use reliable STT models (Deepgram, Whisper, AssemblyAI) that handle diverse accents well, combined with fine-tuning on your specific user base's speech patterns when needed.

Full-spectrum AI development. Pick a track to read how we scope, staff, and ship inside it.

Ready to build with the best

Book a free 30-minute consultation. We will scope your project, give you an honest timeline, and show you exactly how we will deliver.

Bring the messy version. That is the useful conversation.

An idea, a workflow that is eating your team's week, or a model that works in a notebook and nowhere else. Any of those is enough to start.

A first roadmap on the call
Not a brochure. What we would build first, what we would leave out, and why.
Architecture and cost in plain English
Where the model sits, what it touches, what it costs to run at your volume.
The honest version
If your data is not ready, or the use case does not need AI, we will tell you on the call.