Azure Communication Services – Sending an SMS

Goal:

This blog will go over how to send an SMS message to a cellular device using Azure Communication Services.

Creating an Azure Communication Service

From marketplace, search for Communication Services

Scroll down to the Telephony and SMS section and go to the Phone Numbers

Click “GET” to create a new number, select the following settings for the “Features”

Set the following settings – you can special request numbers if need be

New Number is added to phone number instances

Get your connection string from the Keys tab

Creating the program:

Code setup – Install Azure.Communication.Sms Nuget Package

using Azure.Communication.Sms;

string connectionString = "endpoint=<YOUR ENDPOINT CONNECTION>"
SmsClient smsClient = new SmsClient(connectionString);

Sending an SMS from your toll-free number to any phone number

smsClient.Send(
    from: "<YOUR TOLL FREE NUMBER>",
    to: new string[] { "<ENTER A PHONE NUMBER +1>" },
    message: "Hello world! SMS works!",
    options: new SmsSendOptions(enableDeliveryReport: true)
    {
        Tag = "production"
    }
  );