AI電話通話API：AIエージェントで実際の電話をかけ、受ける

import { WixzelVoice } from 'wixzel-voice';

const client = new WixzelVoice({ apiKey: process.env.WIXZEL_API_KEY! });

// 1. Connect your SIP trunk.
const trunk = await client.sipTrunks.create({
  name: 'My carrier',
  host: 'sip.carrier.example',
  username: 'acct123',
  password: process.env.CARRIER_PASSWORD!,
});
console.log('Allowlist', trunk.platform_ip, 'and send inbound calls to', trunk.origination_uri);

// 2. Register a number you own on it.
const number = await client.phoneNumbers.create({
  phone_number: '+14155550100',
  sip_trunk_id: trunk.id,
});

// 3. Create the agent, with that number as its caller ID.
const agent = await client.agents.create({
  name: 'Support',
  system_prompt: 'You are a concise support agent.',
  opening_message: 'Hi, how can I help?',
  voice: {
    stt: { model: 'deepgram/nova-3' },
    llm: { model: 'openrouter/gpt-4o-mini' },
    tts: { model: 'elevenlabs/eleven_flash_v2_5' },
  },
  outbound_phone_number_id: number.id,
});

// 4. Place the call. The SDK sends the Idempotency-Key for you.
const call = await client.calls.create({ to: '+14155551234', agent_id: agent.id });

// Inbound: calls to the number are answered by the same agent.
await client.phoneNumbers.update(number.id, { inbound_agent_id: agent.id });

// Later: what happened, what it cost, what was said.
const detail = await client.calls.retrieve(call.id);
console.log(detail.status, detail.cost_micros, detail.failure_code, detail.failure_reason);
for (const line of detail.transcript) console.log(line.role, line.content);

import 'dart:io';

import 'package:wixzel_voice/wixzel_voice.dart';

Future<void> main() async {
  final client = WixzelVoice(apiKey: Platform.environment['WIXZEL_API_KEY']!);

  // 1. Connect your SIP trunk.
  final trunk = await client.sipTrunks.create(CreateSipTrunk(
    name: 'My carrier',
    host: 'sip.carrier.example',
    username: 'acct123',
    password: Platform.environment['CARRIER_PASSWORD']!,
  ));
  print('Allowlist ${trunk.platformIp}; send inbound calls to ${trunk.originationUri}');

  // 2. Register a number you own on it.
  final number = await client.phoneNumbers.create(CreatePhoneNumber(
    phoneNumber: '+14155550100',
    sipTrunkId: trunk.id,
  ));

  // 3. Create the agent, with that number as its caller ID.
  final agent = await client.agents.create(CreateAgent(
    name: 'Support',
    systemPrompt: 'You are a concise support agent.',
    openingMessage: 'Hi, how can I help?',
    voice: VoiceConfig.composed(
      stt: const SttConfig(model: 'deepgram/nova-3'),
      llm: const LlmConfig(model: 'openrouter/gpt-4o-mini'),
      tts: const TtsConfig(model: 'elevenlabs/eleven_flash_v2_5'),
    ),
    outboundPhoneNumberId: number.id,
  ));

  // 4. Place the call. The SDK sends the Idempotency-Key for you.
  final call = await client.calls.create(CreateCall(
    to: '+14155551234',
    agentId: agent.id,
  ));

  // Inbound: calls to the number are answered by the same agent.
  await client.phoneNumbers.update(
      number.id, UpdatePhoneNumber(inboundAgentId: agent.id));

  // Later: what happened, what it cost, what was said.
  final detail = await client.calls.retrieve(call.id);
  print('${detail.status} ${detail.costMicros} ${detail.failureCode}');
  for (final line in detail.transcript) {
    print('${line.role}: ${line.content}');
  }
  client.close();
}