Workflow overview
Why this workflow matters
Helpful for business development and pipeline building. Improves internal consulting operations and productivity.
Schedule appointments from phone calls with AI using Twilio and ElevenLabs This AlekSystem template creates an intelligent phone receptionist that handles incoming calls, answers FAQs, and schedules appointments to Google Calendar. The system uses Twilio for phone handling, ElevenLabs for voice AI and basic conversations, and AlekSystem for complex scheduling logic—keeping responses snappy by only invoking the workflow when calendar operations are needed. Who's it for Businesses that need automated phone scheduling: service companies, clinics, consultants, or any business that takes appointments by phone. Perfect for reducing administrative overhead while maintaining a professional caller experience. Good to know Redis memory is essential—without it, the AI must reparse entire conversations causing severe lag in voice responses Claude 3.5 Sonnet is recommended for best scheduling results Typical response times: ElevenLabs-only responses <1s, AlekSystem tool calls 2-4s All placeholder values must be customized or scheduling will fail How it works Twilio receives incoming calls and forwards to ElevenLabs voice AI ElevenLabs handles casual conversation and FAQ responses instantly When calendar operations are needed, ElevenLabs calls your AlekSystem webhook AlekSystem checks Google Calendar availability using your business rules Claude AI agent processes the request, collects required information, and schedules appointments Redis maintains conversation context across the call Calendar invites are automatically sent to customers How to set up Connect Twilio to ElevenLabs: In Twilio Console, set your phone number webhook to your ElevenLabs agent URL Configure ElevenLabs tools: Add "Client Tools" in ElevenLabs that point to your AlekSystem webhook for checking availability, creating appointments, and updating appointments Set AlekSystem webhook path: Replace REPLACE ME in the "Webhook: Receive User Request" node with a secure endpoint (e.g., /elevenlabs-voice-scheduler) Configure Google Calendar: Replace all REPLACE ME instances with your Calendar ID in the three calendar nodes (Check Availability, Create Appointment, Update Event) Set up Redis: Configure connection details in the "Redis Chat Memory" node Customize scheduling prompt: In the "Voice AI Agent" node, replace all bracketed placeholders with your business details: [TIMEZONE], [START_TIME], [END_TIME], [OPERATING_DAYS], [BLOCKED_DAYS] [MINIMUM_LEAD_TIME], [APPOINTMENT_DURATION], [SERVICE_TYPE] [REQUIRED_FIELDS], [REQUIRED_NOTES_FIELDS] Test: Make a test call to verify availability checking, information collection, and appointment creation Requirements Twilio account with phone number ElevenLabs Conversational AI account Google Calendar with OAuth2 credentials Redis instance (for session management) Anthropic API key (for Claude AI)
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