retellai-core-workflow-b

Included with Lifetime

$97 forever

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".

Image & Videosaasretellaivoicetelephonyai-agents

What this skill does

# 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

```typescript
const phoneNumbers = ['+14155551001', '+14155551002', '+14155551003'];

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));
}
```

### Step 2: List and Filter Calls

```typescript
const calls = await retell.call.list({
  sort_order: 'descending',
  limit: 20,
});
for (const call of calls) {
  console.log(`${call.call_id}: ${call.call_status} — ${call.end_timestamp - call.start_timestamp}ms`);
}
```

### Step 3: Get Call Recording and Transcript

```typescript
const callDetail = await retell.call.retrieve(callId);
if (callDetail.recording_url) {
  console.log(`Recording: ${callDetail.recording_url}`);
}
if (callDetail.transcript) {
  console.log(`Transcript:\n${callDetail.transcript}`);
}
```

## Output

- Outbound call campaign with rate limiting
- Call listing with status and duration
- Recordings and transcripts retrieved

## Error Handling

| Error | Cause | Solution |
|-------|-------|----------|
| Call fails immediately | Bad phone number format | Use E.164 format |
| No recording | Recording not enabled | Enable in agent settings |
| Concurrent limit | Too many active calls | Upgrade plan or queue calls |

## Resources

- [Create Phone Call](https://docs.retellai.com/api-references/create-phone-call)
- [Retell AI Documentation](https://docs.retellai.com)

## Next Steps

Handle call events: `retellai-webhooks-events`

Files: 1

Size: 2.6 KB

Complexity: 12/100

Category: Image & Video

Source: https://github.com/jeremylongshore/claude-code-plugins-plus-skills/tree/main/plugins/saas-packs/retellai-pack/skills/retellai-core-workflow-b

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