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Documentation Index

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Send Call

The Send Call node enables you to initiate outbound calls using configured AI voice agents.

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Overview

This node allows you to:
  • Initiate outbound calls
  • Use configured voice agents
  • Execute conversation flows
  • Handle call responses
  • Monitor call progress

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Configuration

ParameterTypeDescription
Agent IDStringID of the voice agent to use
Phone NumberStringTarget phone number
Call ParametersObjectCall-specific settings
Callback URLStringWebhook for call events
RecordingBooleanEnable call recording

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Example Usage

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Basic Call

{
  "agent_id": "agent_123abc",
  "phone_number": "+1234567890",
  "call_parameters": {
    "priority": "normal",
    "retry_attempts": 1
  }
}

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Advanced Call Configuration

{
  "agent_id": "agent_123abc",
  "phone_number": "+1234567890",
  "call_parameters": {
    "priority": "high",
    "retry_attempts": 3,
    "retry_interval": 300,
    "max_duration": 600,
    "scheduled_time": "2024-03-01T10:00:00Z",
    "custom_variables": {
      "customer_name": "John Doe",
      "account_type": "premium"
    }
  },
  "callback_url": "https://api.example.com/call-events",
  "recording": true,
  "transcription": true
}

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Call Parameters

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Priority Levels

{
  "priority": {
    "type": "string",
    "enum": ["low", "normal", "high", "urgent"],
    "default": "normal"
  }
}

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Retry Settings

{
  "retry_config": {
    "attempts": 3,
    "interval": 300,
    "conditions": ["no-answer", "busy", "failed"],
    "max_total_attempts": 5
  }
}

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Call Events

Events emitted during the call:
  • call.queued
  • call.initiated
  • call.ringing
  • call.connected
  • call.in_progress
  • call.completed
  • call.failed

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Response Handling

Configure response handlers: 
{
  "response_handlers": {
    "positive": {
      "patterns": ["yes", "sure", "okay"],
      "action": "proceed_flow"
    },
    "negative": {
      "patterns": ["no", "not interested", "busy"],
      "action": "end_call"
    },
    "transfer": {
      "patterns": ["speak to human", "representative"],
      "action": "transfer_call",
      "transfer_number": "+1987654321"
    }
  }
}

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Call Analytics

Available analytics: 
{
  "analytics": {
    "duration": "number",
    "sentiment_scores": {
      "positive": "number",
      "neutral": "number",
      "negative": "number"
    },
    "speech_metrics": {
      "clarity": "number",
      "pace": "number",
      "engagement": "number"
    },
    "outcome": "string",
    "conversion_status": "boolean"
  }
}

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Error Handling

Common error scenarios:
  • Invalid phone number
  • Agent not available
  • Network issues
  • Call rejected
  • Timeout errors