USSD CALL FLOW PDF

It presents information and guidance but does not support a specific plan of action, which would require additional information and insights into each situation. The vulnerabilities, analyses, and risks shown and analyzed in this tutorial are intended to be indicative of the risks an application vendor, third-party host, or network operator might face. The analysis given should not to be considered an exhaustive or fully objective list. It is important that risks be assessed and validated based on the situation, the intended functionality to be offered, and the process controls that will be required or are already in place. Additional guidance should be sought wherever necessary before taking any action.

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USSD can be used for WAP browsing, prepaid callback service, mobile money services, location-based content services, menu-based information services, or even as part of configuring the phone on the network. From the diagram above, a request is sent from a mobile phone to a telecom network such Vodafone.

The Ussd Gateway telecom then sends the request to your ussd application i. Your ussd application then responds to the request, and Ussd gateway goes ahead and displays your content to the user. As you have seen in the previous section your ussd application is responsible for the content displayed. The problem is once you start having many ussd screens and multiple ussd application and many requirements of changing ussd screen, the task that was peanuts becomes overwhelming and would probably start thinking of a way the Product owners would change the ussd content without you being involved and thats where ussd aiflow comes in, providing an interface for users to change ussd workflows without code change.

Ussd Airflow latest. Your ussd application then responds to the request, and Ussd gateway goes ahead and displays your content to the user Below is a another diagram to help understand the concept. TheUSSD application receives the service request from the user and responds by sending the user a menu of options. The application responds by asking how much credit to add? The mobile user responds with the amount to add. The USSD application responds by sending an updated balance and ends the session.

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Ussd Call Flow

The response for this message is a USSR from the network. Learn more about Scribd Membership Home. Much more than documents. Discover everything Scribd has to offer, including books and audiobooks from major publishers. Start Free Trial Cancel anytime. Ussd Call Flow.

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USSD can be used for WAP browsing, prepaid callback service, mobile-money services, location-based content services, menu-based information services, and as part of configuring the phone on the network. USSD messages are up to alphanumeric characters long. The connection remains open, allowing a two-way exchange of a sequence of data. When a user sends a message to the phone company network, it is received by a computer dedicated to USSD. The computer's response is sent back to the phone, generally in a basic format that can easily be seen on the phone display. Messages sent over USSD are not defined by any standardization body, so each network operator can implement whatever is most suitable for its customers.

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