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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.
GSM USSD codes and their functions with various network operators Code Function Note Switch on Switch off Display status 002 all diversions unconditional, busy, unreachable, does not answer * * 002 * number * BS * T # # # 002 * * BS # * # 002 * * BS # 004 all conditional redirections busy, unreachable, does not answer * * 004 * number * BS * T #
The reason why USSD is commonly used is because it enhances the WCDMA signalling and multiplexes the coherent signals. Types of applications. Balance Check: the user can send a Process Supplementary Service request (PSSR) to the home zone, which will forward this, under guidance from the gateway, to the correct application.
SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1]
Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...
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.
2. Confirm the Bank’s Contact Details. Go online to the bank’s website to look up their contact information. Do not use any information printed on the check.
The bank would ask for the account number, the name on the check, the amount and the check number and just look up the account. Due to banks issuing privacy policies [ 8 ] [ 9 ] designed to protect identity and fraud, telephone merchant funds verification by calling the bank directly is now rare for any bank or credit union to offer this service.