According to Paralel.az, mobile operators always try to make money in secret and never warn when switching from free to paid services. Therefore, it is safer for each subscriber to monitor the availability of paid services in his personal account every two weeks. This was stated by Denis Kuskov, director of the information and analytical agency Telecom.

According to RIA Novosti, the expert warned: "If you do not have a connection to your personal account, or you see a free, but paid service, and you do not need such a service, you should disable it."

The expert also noted that operators use various communication options, such as USSD requests and SMS.

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