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AI Voice Agent for Lead Qualification, Appointment Booking & Customer Support
Built a 24/7 AI voice agent that qualifies leads, books appointments, answers customer questions, and syncs every interaction to CRM in real time.
Eliminated need for dedicated SDR or receptionist for routine call handling
Accelerated lead response to under 60 seconds regardless of time zone
Enabled 24/7 call and WhatsApp coverage without added staff
Automated appointment booking directly into the calendar during calls
Centralized call activity and lead status into a single team dashboard
๐ฆ๐น๐ผ๐ ๐น๐ฒ๐ฎ๐ฑ ๐ฟ๐ฒ๐๐ฝ๐ผ๐ป๐๐ฒ: Leads calling or messaging outside business hours had no way to be engaged immediately, risking lost opportunities.
๐๐ป๐ฐ๐ผ๐ป๐๐ถ๐๐๐ฒ๐ป๐ ๐พ๐๐ฎ๐น๐ถ๐ณ๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป: Manually screening callers for fit and intent varied by staff member and time of day, with no standardized scoring process.
๐ ๐ฎ๐ป๐๐ฎ๐น ๐ฎ๐ฝ๐ฝ๐ผ๐ถ๐ป๐๐บ๐ฒ๐ป๐ ๐๐ฐ๐ต๐ฒ๐ฑ๐๐น๐ถ๐ป๐ด: Booking meetings required a human to check availability and coordinate directly with the caller in real time.
๐ฅ๐ฒ๐ฝ๐ฒ๐๐ถ๐๐ถ๐๐ฒ ๐๐๐ฝ๐ฝ๐ผ๐ฟ๐ ๐ถ๐ป๐พ๐๐ถ๐ฟ๐ถ๐ฒ๐: Common customer questions consumed staff time that could otherwise go toward higher-value work.
๐๐ถ๐๐ฐ๐ผ๐ป๐ป๐ฒ๐ฐ๐๐ฒ๐ฑ ๐ฐ๐ฎ๐น๐น ๐ฟ๐ฒ๐ฐ๐ผ๐ฟ๐ฑ๐: Conversation outcomes and lead status lived in call logs disconnected from the CRM, requiring manual updates.
๐ก๐ผ ๐๐ป๐ถ๐ณ๐ถ๐ฒ๐ฑ ๐๐ถ๐๐ถ๐ฏ๐ถ๐น๐ถ๐๐: Teams lacked a single place to see call activity, lead status, and follow-up needs across both voice and WhatsApp channels.
๐๐ฎ๐น๐น ๐ฎ๐ป๐ฑ ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐ถ๐ป๐๐ฎ๐ธ๐ฒ (๐ณ๐ถ๐ ๐ฒ๐ฑ ๐ถ๐ป๐ณ๐ฟ๐ฎ๐๐๐ฟ๐๐ฐ๐๐๐ฟ๐ฒ): Twilio provisions a dedicated US phone number for inbound and outbound calls, paired with WhatsApp API integration for messaging-based interactions.
๐ฅ๐ฒ๐ฎ๐น-๐๐ถ๐บ๐ฒ ๐ฐ๐ผ๐ป๐๐ฒ๐ฟ๐๐ฎ๐๐ถ๐ผ๐ป๐ฎ๐น ๐๐ (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ท๐๐ฑ๐ด๐บ๐ฒ๐ป๐): VAPI and OpenAI power natural, context-aware conversation for every call, allowing the agent to understand caller intent and respond dynamically rather than following a rigid script.
๐๐ฒ๐ฎ๐ฑ ๐พ๐๐ฎ๐น๐ถ๐ณ๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ท๐๐ฑ๐ด๐บ๐ฒ๐ป๐): During the call, the agent asks screening questions and scores the caller's responses to determine lead quality, a genuine judgment call rather than a fixed checklist.
๐ฅ๐ผ๐๐๐ถ๐ป๐ด ๐ฑ๐ฒ๐ฐ๐ถ๐๐ถ๐ผ๐ป (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ท๐๐ฑ๐ด๐บ๐ฒ๐ป๐): Based on the qualification score, the agent routes hot leads differently from lower-priority ones, directing the conversation or follow-up accordingly.
๐๐ฝ๐ฝ๐ผ๐ถ๐ป๐๐บ๐ฒ๐ป๐ ๐ฏ๐ผ๐ผ๐ธ๐ถ๐ป๐ด (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ฎ๐ฐ๐๐ถ๐ผ๐ป): When appropriate, the agent books a meeting directly into the calendar during the live call, without requiring a human to confirm availability afterward.
๐๐๐๐๐ผ๐บ๐ฒ๐ฟ ๐๐๐ฝ๐ฝ๐ผ๐ฟ๐ ๐ต๐ฎ๐ป๐ฑ๐น๐ถ๐ป๐ด (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ท๐๐ฑ๐ด๐บ๐ฒ๐ป๐): The agent resolves common inquiries conversationally and identifies when a request requires escalation to a human.
๐ฅ๐ฒ๐ฐ๐ฒ๐ฝ๐๐ถ๐ผ๐ป๐ถ๐๐ ๐ฑ๐๐๐ถ๐ฒ๐ (๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐ท๐๐ฑ๐ด๐บ๐ฒ๐ป๐): For general callers, the agent greets, collects relevant information, and determines the appropriate person or department to route the caller to.
๐ช๐ผ๐ฟ๐ธ๐ณ๐น๐ผ๐ ๐ผ๐ฟ๐ฐ๐ต๐ฒ๐๐๐ฟ๐ฎ๐๐ถ๐ผ๐ป (๐ณ๐ถ๐ ๐ฒ๐ฑ ๐น๐ผ๐ด๐ถ๐ฐ): N8N coordinates the backend logic connecting call events, qualification outcomes, and appointment actions to downstream systems.
๐๐ฅ๐ ๐๐๐ป๐ฐ ๐ฎ๐ป๐ฑ ๐ฑ๐ฎ๐๐ต๐ฏ๐ผ๐ฎ๐ฟ๐ฑ ๐น๐ผ๐ด๐ด๐ถ๐ป๐ด (๐ณ๐ถ๐ ๐ฒ๐ฑ ๐น๐ผ๐ด๐ถ๐ฐ): Every call's conversation data, lead status, and outcome are automatically synced to a Retool dashboard for centralized team visibility.
Voice infrastructure: Twilio for phone number provisioning and call handling
Conversational AI: VAPI for real-time voice agent orchestration
AI/LLM: OpenAI for natural language conversation, qualification, and decision-making
Messaging: WhatsApp API for message-based interactions
Orchestration: n8n workflow automation for backend logic and integrations
Dashboard and CRM: Retool for centralized call activity, lead status, and follow-up management
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