Tools & Functions

VoxLink.ai offers built-in "tools" that your AI assistant can use during a call. These help you shape the conversation flow and automate actions like transferring calls or scheduling appointments.

1. End Call Tool

• Purpose: Tells the AI to politely wrap up the conversation.
• How It Works: You can specify in the system prompt or logic, for instance: "If the user says goodbye, end the call."
• Configuration: Enable in Prompt & Tools settings and define conditions in your system prompt that should trigger the end call.

2. Transfer Tool

• Purpose: Moves the caller from the AI assistant to a human agent or external phone number.
• Use Cases: Warm leads on a sales call, escalations on a support call, etc.
• Configuration: Set up in Prompt & Tools settings by adding the phone number or department the call should go to, and optionally a short hold message.

3. Appointment Scheduler

• Purpose: Lets the AI check your calendar availability and book appointments automatically.
• Available Integrations: Cal.com, GoHighLevel, and Calendly calendar systems
• Typical Flow:
  1. AI offers scheduling.
  2. Caller selects date/time.
  3. AI confirms and sends a confirmation (using email or SMS if configured).
• Configuration: Set up in Prompt & Tools settings with your calendar integration.

4. DTMF Input

• Purpose: Allows the AI to send keypad inputs during calls to navigate phone menus, IVR systems, and automated workflows.
• How It Works: The AI can press phone keypad buttons (0-9, *, #) when encountering automated systems or menu prompts.
• Use Cases:
  • Navigate through company phone menus
  • Enter extension numbers to reach specific departments
  • Input security codes or account numbers
  • Bypass IVR systems to reach human agents
• Configuration: Enable in Prompt & Tools settings and include instructions in your system prompt about when to use DTMF.

5. No-Code Automation Platform

• Purpose: After calls, the AI can trigger actions in the automation platform (like updating a CRM, sending an email, or logging results in Google Sheets).
• Configuration: Set up triggers and actions in the Automation Platform, then link to your assistant via webhook configuration in Post-call Actions.

6. Custom Mid-Call Tools

• Purpose: Create your own custom API integrations that the AI can use during calls.
• Use Cases: Check inventory, verify customer data, fetch real-time information, or integrate with your own systems.
• Types: A HTTP request tool calls your own endpoint directly, or an Automation Platform tool auto-creates a linked no-code flow for multi-step logic.
• Configuration: Set up in Prompt & Tools settings by defining API endpoints, parameters, static fields, and when the AI should use them. Values support dynamic system variables like {{customer_phone}}.
• For detailed setup instructions and examples, see our Custom Mid-Call Tools Guide.

7. MCP Servers

• Purpose: Connect a remote Model Context Protocol server so the AI can use many external tools at once, discovered automatically.
• Use Cases: Connect a platform like HubSpot, your internal APIs, or knowledge tools to pull live data and trigger actions mid-conversation.
• Configuration: Add a server under the Mid call tools / MCP page, then assign it to an assistant. See the MCP Servers Guide.

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Note: Tools can be combined. For instance, the AI can use a custom tool to check availability, then schedule an appointment, and finally transfer to a human agent if needed.