What are command codes or USSD and what are their uses?

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Today, almost most people who use a mobile phone know and have used USSD codes. These are the same codes that we dial in the form of star *, number, square #, and order goods or services and features through them. Command codes in first mobile or Irancell communication networks and command codes for financial and banking services or receiving and paying bills are among the most used command codes in Iran. In this article, we will introduce the command codes and how they work, and we will identify and review the features of USSD and its benefits in daily life and businesses.

What is a command code or USSD?
How do command codes or USSD work?
USSD usage cases; Mobile, banking, internet and system services
Advantages of command codes or USSD; Without internet and software, with high coverage and security
What are the disadvantages of command codes or USSD?
Some command codes or USSD are widely used in Iran
The difference between SMS and command code
What is a command code or USSD?
The word USSD stands for Unstructured Supplementary Service Data, which means unstructured supplementary service data, which is translated into a command code in Persian language. USSD is a universal system protocol for mobile communication based on text messages. This data uses codes that are made up of characters in the mobile phone. Users directly communicate with the server or network through the command code through their mobile phones and order a specific feature or possibility through a message.

How do command codes or USSD work?

Typically, the command code process is initiated by a request from a mobile user, such as a request for a bank account balance report. The USSD gateway receives the message and forwards it to the USSD application. The application checks the request and Kazakhstan Phone Number List sends the response to the gateway, and the gateway displays the response in the form of a text message on the user's mobile screen. The message can be up to 182 characters long, this amount is less in sending SMS .

USSD applications run on the network, not on the user's device, and therefore do not need to be installed on the user's phone. In this way, this program can be run on all smartphones and non-smartphones and phones that have limited storage space. Any user can use USSD programs as soon as they are activated in the network.