WhatsApp & Telegram Voice-to-Avatar Omnichannel Agent (Free $0+ 5-in-1 Agency Kit)

Download this complete 5-in-1 omnichannel agency kit for free ($0+) to deploy WhatsApp/Telegram voice and video agents on a self-hosted Docker VPS with ElevenLabs, HeyGen, and Make/n8n.

Active Agency Retainer Clients (Units)

Monthly Retainer Fee per Client ($ USD)

ElevenLabs Voice Generation per Client (Mins/Mo)

HeyGen Personalized Avatar Clips per Client (Videos/Mo)

Self-Hosted Docker VPS Infrastructure Cost ($ USD/Mo)

📊 4-Scenario Sensitivity Matrix (Conservative 0.7x • Base 1.0x • Scale 1.5x • Hyper 2.0x)

✅ Executive SOP Implementation Checklist

Step 1: 1. Provision Self-Hosted Docker VPS & Evolution API
Deploy an Ubuntu Docker instance on Hostinger Cloud VPS (NVMe KVM 4 or 8) to run n8n and Evolution API side-by-side without per-operation limits. Configure Nginx reverse proxy with SSL so your WhatsApp and Telegram webhooks execute with sub-100ms latency.

Step 2: 2.Ingest & Transcribe Omnichannel Voice Notes
Connect your Telegram Bot and WhatsApp Evolution API webhook triggers into n8n or Make.com to capture incoming client voice messages. Route the audio binary directly to OpenAI Whisper or ElevenLabs Speech-to-Text to extract clean conversational intent.

Step 3: 3. Query Vector Knowledge Base (RAG) for Context
Pass the transcribed user query through an n8n AI Agent node linked to a Supabase PGVector or Pinecone store containing your client's pricing, FAQs, and product catalog. Generate a structured JSON response containing both a short spoken script and a visual summary.

Step 4: 4. Synthesize Low-Latency Cloned Audio via ElevenLabs
Send the generated spoken reply to the ElevenLabs Turbo v2.5 API endpoint using your client's cloned voice ID. Convert the returned MP3 buffer into an OGG Opus voice note so it plays natively inside WhatsApp and Telegram as a real-time recorded voice reply.

Step 5: 5. Trigger On-Demand HeyGen Video Pitch for High-Intent Leads
When the RAG agent scores lead buying intent above 80%, fire an asynchronous webhook to HeyGen API v2 to render a personalized 30-second avatar video addressing the prospect by name. Poll the render status on your unlimited VPS workflow and deliver the MP4 directly into the chat thread.

🤖 Copy-Paste AI Agent System Prompts

🤖 Omnichannel RAG Voice Concierge System Prompt

You are an elite B2B executive assistant replying to incoming WhatsApp and Telegram voice notes. Analyze the user's transcribed message and retrieved knowledge base context. Output strictly valid JSON with keys: 'voiceReplyScript' (natural, conversational text under 65 words optimized for ElevenLabs TTS with subtle pauses), 'leadIntentScore' (integer 1-100), and 'triggerHeyGenPitch' (boolean, true only if the user asks for pricing, demos, or custom proposals).

🤖 HeyGen Personalized Video Pitch Scriptwriter

Act as a high-converting B2B video sales scriptwriter. Using the prospect's name, company domain, and core pain point extracted from our chat history, write a 40-second personalized script for a HeyGen AI Avatar video. Keep sentences punchy, avoid complex jargon that breaks lip-syncing, and end with a clear call-to-action to book a discovery call via the link below the video.

🤖 Agency Retainer Proposal & Token Margin Architect

You are a Principal AI Solutions Architect pricing a custom WhatsApp + Telegram Voice & Avatar Agent for a prospective client. Based on their estimated monthly message volume, calculate a 3-tier monthly retainer proposal (Growth, Scale, Enterprise) that guarantees at least a 75% gross margin after accounting for Hostinger VPS hosting, Make/n8n maintenance, ElevenLabs character quotas, and HeyGen avatar credits.

💾 Saved Custom Scenarios

🚀 Recommended AI & Cloud Automation Stack

Deploy this model in production with our verified partner stack or open the live cloud edition: https://zerolatency-ai.web.app/tools/whatsapp-telegram-voice-avatar-o?utm_source=zip_suite&utm_medium=offline_html

⚡ Make.com Automation
Connect this calculator to Google Sheets, Slack & CRM pipelines automatically.

Launch Make.com Free →

☁️ Hostinger Cloud VPS
Host your n8n workflows, APIs & dashboards on high-speed NVMe VPS.

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🎙️ ElevenLabs AI Audio
Turn executive reports & insights into studio-grade AI voice briefings.

Try ElevenLabs Studio →

🎬 HeyGen AI Video
Generate automated client video updates & social explainers in minutes.

Try HeyGen AI Video →