This Voice AI Agent Calls Your Leads in Seconds (No-Code n8n + Telynx)

AI WorkshopAbout 5 min readSep 27, 2025Watch original
THE SUMMARYAI-generated

Key Concepts

  • Voice AI Agent: An automated system that uses AI to conduct phone conversations, triggered by events like form submissions.
  • Telenex: A user-friendly, globally available no-code platform for building voice AI agents.
  • NAN (n8n): A no-code workflow automation platform used to connect form submissions to the Telenex API.
  • API (Application Programming Interface): A set of rules and specifications that software programs can follow to communicate with each other.
  • Dynamic Variables: Data points (e.g., name, budget) passed from NAN to Telenex to personalize the AI agent's conversation.
  • Webhooks: Automated HTTP requests triggered by events, used to integrate external services (e.g., scheduling) with the AI agent.
  • LLM (Large Language Model): An AI model used by Telenex to generate human-like text and speech.
  • Voice Latency: The delay between a user's speech and the AI agent's response.
  • Wideband Audio: A high-quality audio format used by Telenex for clear and natural-sounding conversations.

Setting up a Voice AI Agent with Telenex and NAN

1. Introduction and Demonstration

  • The video demonstrates a voice AI agent that automatically calls a user after they submit a form.
  • The agent, named Erica, gathers information like budget and timeline to qualify leads for an AI agency.
  • The agent uses dynamic variables to personalize the conversation, referencing information from the submitted form.
  • The demonstration shows the agent's ability to understand and respond naturally, with low latency and clear audio.

2. Obtaining the NAN Template

  • The video provides a free NAN template to replicate the demonstrated workflow.
  • To access the template:
    • Join the free community via the link in the description.
    • Navigate to the "Classroom" section, then "YouTube Resources."
    • Download the "Telenex Voice Agent" NAT blueprint.
    • In NAN, import the file using the "Import from file" option.
  • A free NAN account is required to use the template.

3. Telenex Platform Overview

  • Telenex is highlighted as a user-friendly platform for building voice AI agents without code.
  • Key benefits include global availability, built-in phone numbers, and all-in-one platform.
  • A coupon code for $10 credit is provided for the first 500 users who sign up through the provided link.

4. NAN Workflow Details

  • The NAN workflow is triggered when a form is submitted.
  • The workflow uses an HTTP request node to communicate with the Telenex API.
  • The HTTP request includes:
    • Authorization Header: Bearer token with the Telenex API key.
    • JSON Body: Contains data from the form submission, including phone number, name, service, and budget.
  • The "To Number" is dynamically populated with the phone number from the form.
  • The Telenex API endpoint and assistant ID are configured in the HTTP request node.

5. Telenex AI Assistant Configuration

  • Access the Telenex platform at portal.talenex.com.
  • Identity verification is required.
  • Create a new AI assistant by navigating to "AI Storage and Compute" -> "AI Assistants."
  • Choose a template or start with a blank workflow.
  • Configuration Steps:
    • Name: Assign a name to the assistant.
    • Model: Select an LLM (e.g., GPT-3.5, GPT-4, Grok, DeepSeek, Meta).
      • For third-party models, add the API key under "Secret Value."
    • Instructions: Provide a universal prompt defining the agent's identity, role, and guidelines.
      • Example: "You are Erica, an AI-powered voice assistant for AI workshop AI agency. Your role is to qualify leads after submitting a form, gather essential information regarding budget, timeline, specific needs, and ensure they're connected to the right specialist."
      • Include step-by-step instructions for the agent to follow.
      • Use dynamic variables (e.g., "Am I speaking to {name}?") to personalize the conversation.
    • Functions: Add tools like "Check Schedule" and "Reserve Slot" using webhooks.
      • Webhooks allow integration with external services like scheduling systems.
      • Telenex provides default tools like "Transfer," "Handoff," and "Hang Up."
    • Voice: Select a voice from Telenex's library or use voices from other providers like 11 Labs, Azure, or AWS.
      • Adjust voice settings based on gender and language.
    • Knowledge Base: Add a knowledge base to enable the agent to answer questions.
    • Insights and Calling: Assign a phone number to the agent.

6. Purchasing a Phone Number in Telenex

  • Navigate to "Real Time Communication" -> "Numbers."
  • Click "Buy Numbers" to search for available numbers.
  • Filter by area code and number type (e.g., local, toll-free).
  • Assign the purchased number to the AI assistant in the "Insights and Calling" section.

7. Conversation History and Analytics

  • Access conversation history to review interactions between the agent and customers.
  • Add dynamic web hook logs and metadata for additional insights.
  • Send conversation history data to NAN via API calls to update CRM systems or extract information for improvements.

8. Testing and Deployment

  • Test the agent by calling it or receiving a call from it before deploying to production.

9. Key Differentiators of Telenex

  • Low Latency: Fast response times due to optimized AI models and infrastructure.
  • Clear Audio: Wideband audio ensures natural and crisp-sounding conversations.
  • All-in-One Platform: Combines phone numbers, AI models, and workflow management in a single platform.

10. Conclusion

  • The video provides a comprehensive guide to building a voice AI agent using Telenex and NAN.
  • The free NAN template and coupon code offer a starting point for users to experiment with the platform.
  • Telenex's user-friendly interface, low latency, and clear audio make it a compelling choice for building voice AI solutions.
  • The video encourages viewers to explore the Telenex platform and join the community for further learning and support.

AI summaries can miss context or contain errors. Check important details against the original video.

Go a little deeper.

Have a question about this video? Load its transcript to open the video chat.