Use Cases

Get started with tutorials that will walk you through building a variety of practical applications



Local Numbers

Replace your toll-free numbers (e.g. 800, 0800) with local geographical numbers that allow you to provide a better customer service. Users can make cheaper calls and you can offer location-sensitive information when they contact you.

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Ruby

Call a Websocket with Node.js

In this tutorial, you will learn how to connect a call to a websocket endpoint that echoes the call audio back to the caller.

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Node

Voice Bot

This tutorial shows you how to use Automatic Speech Recognition to create a voice bot/interactive voice assistant application.

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Node

Private voice communication

Protect user's number privacy by connecting users together for private voice communication.

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Node

Broadcast Voice-based Critical Alerts

In this tutorial, you will learn how to contact a list of people by phone, convey a message, and see who confirmed that they had received the message. These voice-based critical alerts are more persistent than a text message, making your message more likely to be noticed. Additionally, with the recipient confirmation, you can be sure that your message made it through.

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PHP

Call tracking

Keep track of which campaigns are working well by using different numbers for each one and tracking the incoming calls. This tutorial shows you how to handle incoming calls, connect them to another number, and track the phone numbers that called each of your Nexmo numbers.

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Node

Add a Call whisper to an inbound call

Phone numbers are everywhere in advertising: on billboards, in TV ads, on websites, in newspapers. Often these numbers all redirect to the same call center, where an agent needs to inquire why the person is calling, and where they saw the advert. Call Whispers make this so much simpler.

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Node

Transcribe a recorded call with Amazon Transcribe

This tutorial shows you how to use the Amazon Transcribe API to transcribe a phone conversation recorded with the Nexmo Voice API.

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Node

Call a Websocket with Python

In this tutorial, you will learn how to connect a call to a websocket endpoint that echoes the call audio back to the caller.

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Python

Interactive Voice Response

Build an automated phone system for users to input information with the keypad and hear a spoken response

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PHP