AI & Automation

Voice AI Agents That Answer, Call, and Convert — 24/7

Voice AI agents are autonomous phone agents that speak naturally, handle inbound queries, run outbound campaigns, and book appointments without a human in the loop. Biznyss designs and deploys production-grade voice agents using the latest speech AI — ElevenLabs, Vapi, Bland AI, and LLM reasoning — for businesses that want to scale customer conversations without scaling headcount.

24/7 Always available
4–8 wk Typical engagement
Senior Dedicated team
Autonomous call in progress ElevenLabs · GPT-4o
SL
Sarah Lambert +44 7700 123 456
02:14
AI Voice Agent speaking
Live transcript
Agent Hi Sarah, I'm calling about your free strategy session booking — are you still available Thursday at 2pm?
Caller Yes, that works perfectly.
Agent Great, I've confirmed your slot and sent a calendar invite
What is it?

Voice AI Agents

Voice AI agents are AI-powered phone systems that use large language models and advanced text-to-speech to conduct natural, real-time conversations. They can qualify leads, answer support queries, send reminders, run outbound campaigns, and transfer to humans when needed. Unlike IVR systems, they understand context, handle interruptions, and adapt to the conversation. At Biznyss, they are built with low latency, natural prosody, and clear escalation paths to human agents.

voice AI agentsAI phone agentsAI calling agentsconversational AI phoneinbound AI agentsoutbound AI callingAI appointment bookingvoice automationVapi agentsElevenLabs voice AI
Inbound call Customer dials in
Live
Voice AI Engine ElevenLabs · Vapi · LLM
STT Speech → Text 0.3s
LLM Intent · Response 0.6s
TTS Text → Speech 0.2s
Appointment booked Calendar synced · Confirmed
CRM updated Lead qualified · Notes logged
Escalated to human Context forwarded · Warm transfer
What's included

Deliverables that drive outcomes.

Every engagement is scoped to your goals. Here's what we typically deliver across a full engagement.

01

Voice agent strategy & use case design

A documented set of call flows, escalation rules, and success metrics for inbound, outbound, or hybrid voice agent deployment.

02

Conversation & script architecture

Natural conversation scripts with dynamic branching, objection handling, and context retention across the call.

03

Voice & persona design

A custom voice persona with appropriate tone, accent, and cadence matched to your brand and audience.

04

LLM & speech integration

Integration of LLM reasoning with real-time TTS/STT (ElevenLabs, Deepgram, Vapi) for sub-second latency.

05

CRM & calendar integration

Connections to your CRM, booking system, and helpdesk so the agent updates records, books meetings, and escalates automatically.

06

Testing, monitoring & HITL handoffs

Evaluation on 100+ call scenarios, real-time monitoring dashboards, and clean human handoff when the agent hits its limits.

How we work

A process built for momentum.

Five connected phases — one accountable team from brief to results.

01

Use case & call flow design

We define the call objectives, conversation paths, escalation rules, and success metrics.

02

Voice persona & script

Our team designs the voice persona, tone, and conversation scripts with dynamic branching.

03

LLM & speech build

We integrate LLM reasoning, TTS/STT, and telephony infrastructure for production-grade performance.

04

CRM & system integration

We connect the agent to your CRM, booking, and support systems.

05

Test, monitor & optimize

We test across scenarios, deploy monitoring, and refine based on real call data.

Outcomes

Metrics that matter to your business.

Real numbers from real engagements. Your specific targets are set at kickoff based on your baseline.

Scope your engagement
24/7
Always available

Voice agents handle calls around the clock without fatigue, turnover, or wait times.

60%
Calls handled automatically

Typically 55–70% of inbound calls are resolved without a human agent.

3x
Outbound scale

Run 3x more outbound call campaigns simultaneously versus a human team of equivalent size.

<500ms
Response latency

Sub-500ms voice response latency for natural, real-time conversation.

Pricing

Engagement options for voice ai agents.

Starting points for typical engagements. Exact investment is confirmed after a 30-minute strategy call — no obligation.

Project From $8,000

One-time deployment scoped to a specific workflow, bot, or integration. Fixed scope, fixed timeline.

  • Discovery & scoping workshop
  • Build + integration
  • Testing & QA
  • Handover documentation
  • 30-day support period
Get a quote
Enterprise Custom

Large-scale agentic systems, multi-department automation, or AI infrastructure at scale.

  • Dedicated AI engineer
  • Custom LLM / agent development
  • Multi-system architecture
  • SLA & uptime guarantee
  • Executive reporting
Get a quote

Pricing in USD. India-based delivery, global capability. Multi-service engagements may qualify for bundled pricing.

FAQ

Common questions, direct answers.

Structured so AI search engines can cite them. Clear and specific to voice ai agents.

Ask us anything
What is a Voice AI Agent?

A Voice AI agent is an AI-powered phone system that uses large language models and advanced text-to-speech to conduct natural, real-time phone conversations autonomously. Unlike old IVR systems, they understand context, handle open questions, and adapt mid-conversation. Biznyss builds them for inbound support, outbound campaigns, appointment booking, and lead qualification.

How natural do Voice AI Agents sound?

Modern voice AI using providers like ElevenLabs and Vapi sounds highly natural — with appropriate pauses, intonation, and the ability to handle interruptions. At Biznyss, we design the voice persona and conversation flow to feel like a well-trained human rep. Most callers cannot tell they are speaking to an AI unless told.

What can Voice AI Agents handle?

Voice AI agents can handle inbound customer support, lead qualification, appointment booking and reminders, outbound sales calls, post-purchase follow-up, and collections. They integrate with CRM, calendar, and helpdesk systems. Biznyss designs the agent for your specific call flows and escalation rules.

How do Voice AI Agents integrate with our existing systems?

We integrate voice agents with CRMs like Salesforce, HubSpot, and Zoho; calendar systems like Calendly and Google Calendar; and helpdesk platforms like Zendesk and Freshdesk. The agent updates records, books meetings, and escalates calls automatically. Biznyss maps the integration to your existing stack during discovery.

How long does it take to build a Voice AI Agent?

A first production voice agent typically takes 4–8 weeks, including conversation design, integration, persona build, and testing. Simpler inbound agents can be live in 3 weeks. Biznyss provides a clear roadmap after discovery, with a pilot call flow before full deployment.

Which industries benefit most from Voice AI Agents?

Healthcare (appointment booking, reminders), real estate (lead qualification, property enquiries), financial services (loan pre-qualification, payment reminders), e-commerce (order status, returns), and logistics (delivery updates, rescheduling) see the highest ROI. Biznyss has built agents across all these verticals.

Start a conversation

Put voice ai agents to work for your business.

Tell us your challenge and we'll map out the exact engagement, timeline, and outcome targets — before any commitment.