I came up with how to troll cellular operators... you need to print all kinds of unnecessary messages and nonsense advertising... put in envelopes and pass on to the managers, secretaries. The managers. Managers with a grip personally in their hands, secretly, do not disclose without the presence of an employee of the SB
They send all kinds of shit... in case of any questions to say this FREE service I signed you for a month free!
or come to their office with a magnetophone on batteries.. turn on the music loudly and stand while not заебуцо, say that this is a FREE DEMONSTRATION SERVICE, you can disable if you send SMS to the number (here your mobile phone number) with the text MUSIC DO NOT PLAY