Scale Your Voice Operations with AI That Sounds Human

Built for B2B and D2C businesses that need enterprise grade reliability at startup friendly costs.Convert more leads, retain more customers, and scale your voice operations without hiring more agents.

 

WHat it is?

Our AI Calling Agent is a fully autonomous voice system that manages inbound and outbound calls across your entire customer lifecycle—from cold outreach to support to retention—with near-human voice quality, sub-500ms response latency, and complete workflow automation.

Unlike basic IVR or chatbots, our agent sounds genuinely human through RVC V2 voice cloning trained on just 10 minutes of your brand audio, understands full context by pulling real-time data from CRM, call history, emails, and chats, handles objections dynamically rather than rigid scripts, seamlessly escalates to human agents with complete context transfer, no customer restarts, and delivers 24/7 performance across unlimited concurrent calls with unwavering quality.

Sounds Human
Dynamic Conversations
Objection Handling
Seamless Escalation
24/7 Unlimited
Workflow Automation
Brand Voice
Inbound/Outbound
Customer Lifecycle

The Voice Layer That Changes Everything

Sounds Like Your Brand

RUU authentically captures your brand’s unique voice identity, delivering consistent, human-like quality across every single call your business handles.

RVC V2 Voice Skinning

RUU’s RVC V2 voice skin converts every agent sound, speech, breaths, hesitations, backchannels, into your brand voice.

Biometric Vocal Consistency

This layer preserves biometric vocal consistency, ensuring every paralinguistic sound matches the exact acoustic signature of your custom voice.

No Frankenstein Effect

Most platforms mix generic effects with cloned speech, creating jarring “Frankenstein voices.” RUU maintains one seamless vocal identity.

Performance That Matches Human Conversation

Our core stack (STT → LLM → TTS) runs in 100–150ms, and with the RVC V2 voice skin layer active, end-to-end latency lands in the 300–500ms range so conversations stay fluid, with minimal dead air.

 

Compared to human conversation: Research shows humans universally respond within 0–200ms in natural dialogue (Stivers et al., PNAS 2009). RUU operates within conversational range, while typical API-wrapper platforms run at 800–1,500ms—4–7× slower than human expectations.

+98%

Humanisation

RUU

Who It's For

Sales teams

Running cold outbound, appointment setting, demo scheduling, and qualification calls

Customer success teams

Managing onboarding, check-ins, renewal reminders, and upsell conversations

Support teams

Handling tier-1 inquiries, troubleshooting, appointment confirmations, and feedback collection

Marketing and growth teams

Conducting surveys, NPS calls, event invitations, and lead nurturing

How It Works: End to End Call Flow

Seamless AI call flow: trigger → personalize → converse → act → handoff → automate. Zero repetition, full context, human-speed responses.

Call Trigger and Initiation

For outbound calls, upload a CSV of contacts to the web dashboard or trigger them via CRM webhook (e.g., when a lead status changes to "qualified"). The system intelligently schedules based on time zones, do-not-call lists, and volume limits, then dials directly via our high-speed Telnyx integration and awaits pickup. For inbound calls, customers dial your business number (routed through Telnyx or your existing SIP trunk). The signal is instantly routed directly to our AI Audio Server, allowing the AI to answer in under 300ms with your custom greeting.

Context Loading and Personalization

Before speaking, the AI agent queries CRM data (contact name, company, last interaction, deal stage, custom fields), call history (previous conversations, transcripts, sentiment scores, action items), campaign scripts (pre-defined flows, objection handling, qualification questions), and real-time events (open tickets, recent purchases, website activity)—all in parallel during ring time, enabling a fully contextual greeting like "Hi Sarah, this is Alex from Acme Corp following up on your demo request from yesterday."

Dynamic Conversation Flow

The AI agent handles conversations using Whisper Large-v3 speech-to-text (50–80ms conversion with 95%+ accuracy despite noise/accents), LLaMA 3.1 8B language reasoning (30ms first response for intent processing, objections, next steps), Kokoro text-to-speech (40ms/chunk with natural prosody/emotion), and RVC V2 voice cloning (30ms brand voice application), achieving 300–500ms total latency—faster than human reaction time for natural flow without pauses. Conversation logic covers objection handling ("I'm not interested" → gentle probing on pain points), question answering (pricing from knowledge base or sales transfer), multi-turn reasoning (context retention over 10+ turns), and interruption handling (graceful mid-sentence stops and responses).

Decision Points and Actions

Throughout the call, the AI agent qualifies leads with BANT questions (Budget, Authority, Need, Timeline) and scores responses, books meetings ("Would Thursday at 2pm work?") by checking Cal.com availability and sending confirmations, updates CRM (marks "interested," adds notes, changes stages, creates tasks), transfers to humans ("Let me connect you with Sarah—she has full context"), and schedules callbacks ("I'll call next Tuesday at 10am—does that work?").

Intelligent Handoff When Needed

If the AI detects high-intent language ("I want to buy," "send contract"), emotional escalation (frustration, confusion, anger), beyond-knowledge questions, or explicit human requests, it performs a warm transfer by introducing the human agent by name, summarizing the conversation, and handing off—with a context popup showing full transcript, CRM data, sentiment, and next steps, ensuring no customer repetition.

Post Call Automation

After the call ends, the system automatically transcribes the full conversation (stereo: left=customer, right=AI), analyzes sentiment (positive/neutral/negative, flags escalations), extracts action items ("pricing sheet requested," "follow-up in 3 days," "enterprise list"), updates CRM with outcome, duration, recording, transcript, and next steps, triggers workflows (emails, calendar reminders, Slack notifications), and logs analytics (success rates, duration, objections, funnels)—with local storage (no per-minute fees like Telnyx/Twilio) and automatic compliance checks for consent/opt-outs.

Workflow and Automation

CRM Integration and Auto-Sync

Native integrations with Salesforce, HubSpot, Pipedrive, Zoho, and custom APIs.

Every call automatically updates the CRM with:

  • Call outcome (connected, no answer, interested, not interested, callback requested)
  • Full transcript and recording link
  • Extracted action items and next steps
  • Lead score updates based on conversation signals

Why it matters: Zero manual data entry, no lost leads, and 100% visibility for sales managers.

Integrated with Cal.com, Calendly, and Google Calendar.

The AI checks availability in real time and books meetings on the call (“I can see Thursday at 2pm is open—would that work for you?”) → Instant confirmation email sent.

Why it matters: 40% of leads book on the first call vs. 12% with manual “I’ll send a link” follow-ups.

Web dashboard lets you:

  • Upload CSV/Excel contact lists with custom fields (name, company, phone, deal stage, etc.)
  • Schedule campaigns by time zone, daily volume limits, and retry logic
  • A/B test scripts and track conversion rates by variant
  • Pause, resume, or adjust campaigns in real time

Why it matters: Launch a 10,000-contact cold outbound campaign in 10 minutes, not 10 days.

The AI agent prioritizes calls based on:

  • Lead score — high-intent leads called first
  • Time zone optimization — call US East Coast 9am–5pm ET, not 6am
  • Retry logic — call no-answer leads 3 times with 2-day gaps
  • Do-not-call list auto-filtering — GDPR, CCPA, TCPA compliance baked in

Why it matters: Higher answer rates, better ROI per call, and zero compliance violations.

When the AI transfers to a human agent, the agent sees:

  • Live transcript of the current call
  • Customer CRM profile (company, deal stage, previous interactions)
  • Suggested next steps based on conversation signals
  • One-click “accept transfer” button with zero onboarding friction

Why it matters: Customers never repeat themselves, human agents close deals faster, and handoff completion rates hit 95%+.

Works with any SIP-compatible carrier:

 

  • DIDforSale — $0.004/min (27% cheaper than Telnyx) with local recording
  • Twilio — Enterprise-grade reliability with global coverage
  • Telnyx — High-quality voice and SMS bundles
  • Custom SIP trunks — Bring your own carrier or use existing FreeSWITCH/Asterisk setup

 

Why it matters: You’re not locked into one vendor. Shop for the best rates or use your existing phone infrastructure.

Trigger calls, retrieve transcripts, and sync call outcomes via RESTful APIs:

  • POST /api/calls/create — Initiate outbound call
  • GET /api/calls/{id}/transcript — Retrieve full conversation
  • Webhook POST your-crm.com/events — Real-time call status updates

Why it matters: Integrate with any custom internal tool, data warehouse, or workflow automation platform (Zapier, Make, n8n, etc.).

While the core system is voice-first, the architecture supports expanding to SMS follow-ups and email sequences triggered by call outcomes.

For example: AI calls a lead → no answer → sends SMS 5 minutes later → sends email 24 hours later—all from one campaign.

Why it matters: 3× higher response rates vs. voice-only campaigns.

Web dashboard shows:

  • Active calls — Number in progress, duration, status (ringing, answered, in-conversation)
  • Campaign performance — Completion rate, average call duration, cost per call, conversion rate
  • Agent metrics — AI vs. human handoff rates, escalation triggers, top objections
  • Today’s totals — Calls made, minutes used, total cost, revenue generated (if connected to deal tracking)

Includes Socket.IO-powered live updates—see calls appear and complete in real time without refreshing.

Why it matters: Sales managers and ops teams get full visibility without waiting for end-of-day reports.

Every call is transcribed with speaker diarization (customer vs. AI clearly labeled) and stored with the recording (stereo: left = customer, right = AI).

Full-text search lets you find calls by keyword, objection type, or outcome in seconds.

Why it matters: QA teams can spot training gaps, sales teams can find winning scripts, and compliance teams can audit consent handling.

Post-call NLP pipeline scores sentiment (positive/neutral/negative) and flags escalations (high frustration, explicit complaints, or requests for supervisor).

Alerts sent via Slack/email for urgent follow-ups.

Why it matters: Catch at-risk customers before they churn, and identify high-intent leads for priority human follow-up.

Export call data to CSV or connect to data warehouses (BigQuery, Snowflake, Redshift) via scheduled ETL.

Build custom dashboards in Tableau, Looker, or Metabase.

Why it matters: Align voice metrics with broader sales, support, and marketing KPIs in your existing BI tools.

  • Automatic consent logging — AI announces “This call is recorded” and logs acceptance
  • Do-not-call list management — Upload DNC lists → system skips and flags contacts automatically
  • Opt-out handling — Customer says “take me off your list” → AI confirms, updates CRM, and adds to DNC database
  • Call recording retention policies — Auto-delete recordings after 30/60/90 days per your policy


Why it matters: Avoid $10,000–$50,000 fines per violation and sleep well during audits.

  • In-transit encryption — All SIP/RTP traffic encrypted via TLS/SRTP
  • At-rest encryption — Call recordings and transcripts stored on AES-256-encrypted volumes
  • Access controls — Role-based permissions for dashboard users (admin, agent, viewer)
  • Audit logs — Every action (campaign created, call initiated, transfer made) logged for compliance reviews
  • The infrastructure uses:

     

    • FreeSWITCH — proven telco-grade reliability (used by carriers for billions of calls)
    • RunPod network volumes — persistent storage with automatic backups
    • Multi-region GPU pod failover — if US-East-1 pod fails, auto-switch to US-West-1 in 60 seconds
    • Carrier redundancy — Route calls through primary + backup trunks (DIDforSale + Twilio)

     

    Why it matters: Your revenue doesn’t stop because of infrastructure downtime.

Client’s Feedback

What our happy client say

Optimize your impact this holiday season with an AI-driven, multichannel marketing strategy.

Trustpilot
reviews

4.9

Dr. Sarah Lin
Founder & Lead Practitioner, Health Clinic
Marcus DeHaan
VP of Operations
Mike Tarleton
Owner, Plumbing Company
James OConnor
Director of Sales, Agency
Daniel Meyer
Owner, Stay Suites
Nina Patel
Managing Director, Agency
Dr. Kevin Marshall
Practice Owner, Dental Clinic
Luis Romero
Director
Brandon Lee
Owner, Automotive Group

Ready to cut your call center costs in half?

Unleash the power of AI within RUU. Upgrade your productivity with RUU, AI Voice which sounds human.

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RUU is the end-to-end AI voice platform for brands that want a natural caller experience without the complexity of building in-house.