How to send a calculator calculation in SMS to a client?

Question

SMS

Good afternoon, there is a site with a calculator on it where, by selecting values, the amount is calculated. Through which service or script can I send this result to the client via SMS? That is, there is a calculator, we drive values ​​​​into it, drive in the phone number, click send, and the result of the calculation should come to the specified number.

Answer 1

Option 1 - your own SMS gateway on a GSM whistle and smstools3
Option 2 - connect via SMPP to a provider
Option 3 - connect to an integrator, for example smsc.ru

Answer 2

https://smsclub.mobi/
https://sms.ru/ - free sending to the number to which the account is registered

Answer 3

I once used mainsms.ru
There sending a letter in 3 lines + PHP library

require_once 'mainsms.class.php' ;
$api = new MainSMS ( 'mainsms' , 'c72a61ef07e80', false, false );
echo 'отправка СМС/а смс: ' . $api->sendSMS ( 'номер' , 'api test' , 'mainsms', '03.10.2011 17:00' ), PHP_EOL ;