SMS informing about successful application from form CF7?

Question

SMS

Tell me through which service you can inform the client by SMS that his application has been successfully sent, etc., etc. Well, that is, a person enters the site, fills out a form in which he enters a phone number, you need to send an SMS to this phone number with the text about a successful application. Contact Form7

Answer 1

add_action('wpcf7_mail_sent', function ($cf7) {
    // тут подключаемся к смс-гейту и отправляем смс
});

SMS gate example: https://turbosms.ua/