NCCOにアウトバウンドコールをかける

このコード・スニペットは、アウトバウンドコールを発信し、通話に応答すると音声合成メッセージを再生します。音声合成メッセージを再生します。このコードではサーバーで answer_url このコード・スニペットを実行するには、リクエストの一部としてリクエストの一部として

例

サンプルコードの以下の変数を置き換える：

キー	説明
`VONAGE_VIRTUAL_NUMBER`	Your Vonage Number. E.g. `447700900000`
`VOICE_TO_NUMBER`	The recipient number to call, e.g. `447700900002`.

Prerequisites

Execute the following command at your terminal prompt to create the JWT for authentication:

export JWT=$(nexmo jwt:generate $PATH_TO_PRIVATE_KEY application_id=$NEXMO_APPLICATION_ID)

Write the code

Add the following to make-an-outbound-call-with-ncco.sh:

curl -X POST https://api.nexmo.com/v1/calls\
  -H "Authorization: Bearer $JWT"\
  -H "Content-Type: application/json"\
  -d '{"to":[{"type": "phone","number": "'$VOICE_TO_NUMBER'"}],
      "from": {"type": "phone","number": "'$VONAGE_VIRTUAL_NUMBER'"},
      "ncco": [
        {
          "action": "talk",
          "text": "This is a text to speech call from Vonage"
        }
      ]}'

View full source

Run your code

Save this file to your machine and run it:

sh make-an-outbound-call-with-ncco.sh

Prerequisites

npm install @vonage/server-sdk @vonage/voice

Create a file named make-an-outbound-call-with-ncco.js and add the following code:

const { Vonage } = require('@vonage/server-sdk');
const { NCCOBuilder, Talk } = require('@vonage/voice');

const vonage = new Vonage({
  applicationId: VONAGE_APPLICATION_ID,
  privateKey: VONAGE_PRIVATE_KEY,
});

View full source

Write the code

Add the following to make-an-outbound-call-with-ncco.js:

const builder = new NCCOBuilder();
builder.addAction(new Talk('This is a text to speech call from Vonage'));

vonage.voice.createOutboundCall({
  to: [
    {
      type: 'phone',
      number: VOICE_TO_NUMBER,
    },
  ],
  from: {
    type: 'phone',
    number: VONAGE_VIRTUAL_NUMBER,
  },
  ncco: builder.build(),
})
  .then((result) => console.log(result))
  .catch((error) => console.error(error));

View full source

Run your code

Save this file to your machine and run it:

node make-an-outbound-call-with-ncco.js

Prerequisites

Add the following to build.gradle:

implementation 'com.vonage:server-sdk-kotlin:2.1.1'

Create a class named OutboundTextToSpeechCallWithNcco and add the following code to the main method:

val client = Vonage {
    applicationId(VONAGE_APPLICATION_ID)
    privateKeyPath(VONAGE_PRIVATE_KEY_PATH)
}

View full source

Write the code

Add the following to the main method of the OutboundTextToSpeechCallWithNcco class:

val callEvent = client.voice.createCall {
    toPstn(VOICE_TO_NUMBER)
    from(VONAGE_VIRTUAL_NUMBER)
    ncco(
        talkAction("This is a text to speech call from Vonage")
    )
}

View full source

Run your code

We can use the アプリケーション plugin for Gradle to simplify the running of our application. Update your build.gradle with the following:

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

Run the following gradle command to execute your application, replacing com.vonage.quickstart.kt.voice with the package containing OutboundTextToSpeechCallWithNcco:

gradle run -Pmain=com.vonage.quickstart.kt.voice.OutboundTextToSpeechCallWithNcco

Prerequisites

Add the following to build.gradle:

implementation 'com.vonage:server-sdk:9.3.1'

Create a class named OutboundTextToSpeechWithNcco and add the following code to the main method:

VonageClient client = VonageClient.builder()
        .applicationId(VONAGE_APPLICATION_ID)
        .privateKeyPath(VONAGE_PRIVATE_KEY_PATH)
        .build();

View full source

Write the code

Add the following to the main method of the OutboundTextToSpeechWithNcco class:

Ncco ncco = new Ncco(TalkAction.builder("This is a text to speech call from Vonage").build());

client.getVoiceClient().createCall(new Call(VOICE_TO_NUMBER, VONAGE_VIRTUAL_NUMBER, ncco.getActions()));

View full source

Run your code

We can use the アプリケーション plugin for Gradle to simplify the running of our application. Update your build.gradle with the following:

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

Run the following gradle command to execute your application, replacing com.vonage.quickstart.voice with the package containing OutboundTextToSpeechWithNcco:

gradle run -Pmain=com.vonage.quickstart.voice.OutboundTextToSpeechWithNcco

Prerequisites

Install-Package Vonage

Write the code

Add the following to MakeCallWithNcco.cs:

var client = new VonageClient(creds);

var toEndpoint = new PhoneEndpoint() { Number = VOICE_TO_NUMBER };
var fromEndpoint = new PhoneEndpoint() { Number = VONAGE_VIRTUAL_NUMBER };
var extraText = "";
for (var i = 0; i < 50; i++)
    extraText += $"{i} ";
var talkAction = new TalkAction() { Text = "This is a text to speech call from Vonage " + extraText };
var ncco = new Ncco(talkAction);

var command = new CallCommand() { To = new Endpoint[] { toEndpoint }, From = fromEndpoint, Ncco = ncco };
var response = await client.VoiceClient.CreateCallAsync(command);

View full source

Prerequisites

composer require vonage/client

Write the code

Add the following to index.php:

View full source

Run your code

Save this file to your machine and run it:

php index.php

Prerequisites

pip install vonage python-dotenv

Write the code

Add the following to make-outbound-call-ncco.py:

from vonage import Auth, Vonage
from vonage_voice import CreateCallRequest, Phone, Talk, ToPhone

client = Vonage(
    Auth(
        application_id=VONAGE_APPLICATION_ID,
        private_key=VONAGE_PRIVATE_KEY,
    )
)

response = client.voice.create_call(
    CreateCallRequest(
        ncco=[Talk(text='This is a text to speech call from Vonage.')],
        to=[ToPhone(number=VOICE_TO_NUMBER)],
        from_=Phone(number=VONAGE_VIRTUAL_NUMBER),
    )
)

pprint(response)

View full source

Run your code

Save this file to your machine and run it:

python voice/make-outbound-call-ncco.py

Prerequisites

gem install vonage

Write the code

Add the following to make-outbound-call-with-ncco.rb:

View full source

Run your code

Save this file to your machine and run it:

ruby make-outbound-call-with-ncco.rb

試してみる

コードを実行すると VOICE_TO_NUMBER が呼び出され、通話に応答すると音声合成メッセージが流れます。

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