retellai-core-workflow-b

name	retellai-core-workflow-b
description	Retell AI core workflow b — AI voice agent and phone call automation. Use when working with Retell AI for voice agents, phone calls, or telephony. Trigger with phrases like "retell core workflow b", "retellai-core-workflow-b", "voice agent".
allowed-tools	Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep
version	1.9.0
license	MIT
author	Jeremy Longshore <[e-mail]>
tags	["saas","retellai","voice","telephony","ai-agents"]
compatibility	Designed for Claude Code, also compatible with Codex and OpenClaw

Retell AI Core Workflow B

Overview

Manage phone calls: outbound campaigns, call transfers, recordings, and concurrent call handling.

Prerequisites

• Completed retellai-core-workflow-a

Instructions

Step 1: Outbound Call Campaign

const phoneNumbers = ['[phone]', '[phone]', '[phone]'];

for (const number of phoneNumbers) {
  try {
    const call = await retell.call.createPhoneCall({
      from_number: process.env.RETELL_PHONE_NUMBER!,
      to_number: number,
      override_agent_id: agentId,
      metadata: { campaign: 'appointment-reminder', date: '2026-04-01' },
    });
    console.log(`Called ${number}: ${call.call_id}`);
  } catch (err) {
    console.error(`Failed to call ${number}: ${err.message}`);
  }
  // Rate limit: space calls apart
  await new Promise(r => setTimeout(r, 2000));
}