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The user submits a code corresponding to the service available. USSD can be used to provide independent calling services such as a callback service (to reduce phone charges while roaming), enhance mobile marketing capabilities or interactive data services. USSD is commonly used by prepaid GSM cellular phones to query the available balance.
ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters (e.g., call forwarding) directly from mobile devices.
USSD gateway is based upon the ability of the delivery agent or the source to send and receive USSD messages. A USSD is a session-based protocol. A USSD is a session-based protocol. USSD messages travel over GSM signalling channels, and are used to query information and trigger services.
USSD (Unstructured Supplementary Service Data) codes [1] are mobile dial codes that can be used for communicating with the service provider's computers (i.e. 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).
The National Unified USSD Platform (NUUP), also known as the *99# service, is a platform that provides access to the Unified Payment Interface (UPI) service over the USSD protocol. Initiated by the Government of India and developed by the National Payments Corporation of India (NPCI), it facilitates access to banking services from mobile phones ...
The picture shows an EasyPaisa debit card powered by UnionPay. The card number and name are usually at the front. Easypaisa was founded in 2009 by Telenor Microfinance Bank as a money transfer service through Unstructured Supplementary Service Data (USSD) channels. [3]
The Banking Code was a voluntary code of practice agreed by banks in certain countries. The code typically described how banks dealt with accepting deposits and withdrawals and with customer disputes on transactions. Banking codes have in most countries been replaced by government imposed financial regulation governing banking practices.
A bank code is a code assigned by a central bank, a bank supervisory body or a Bankers Association in a country to all its licensed member banks or financial institutions. The rules vary to a great extent between the countries.