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USSD on a Sony Ericsson mobile phone (2005). Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers.
Unstructured Supplementary Service Data, or USSD is a communication protocol used by GSM cellular telephones to communicate with the service provider's computers. A gateway is the collection of hardware and software required to interconnect two or more disparate networks, including performing protocol conversion.
GSM services: Supplementary Services Vertical service code GSM USSD codes - Unstructured Supplementary Service Data: list of standard GSM codes for network and SIM related functions
Unstructured Supplementary Service Data (USSD) codes If you enter a code that at least ends in a hash sign (and press <SEND>) and is not recognized by the phones MMI parser, the code will be sent to the network verbatim. It then depends on the network if this code is supported.
In mobile telephony GSM 03.38 or 3GPP 23.038 is a character encoding used in GSM networks for SMS (Short Message Service), CB (Cell Broadcast) and USSD (Unstructured Supplementary Service Data).
Examples of global standards based on IMS are MMTel which is the basis for Voice over LTE , Wi-Fi Calling (VoWIFI), Video over LTE (ViLTE), SMS/MMS over WiFi and LTE, Unstructured Supplementary Service Data (USSD) over LTE, and Rich Communication Services (RCS), which is also known as joyn or Advanced Messaging, and now RCS is operator's ...
From November 2011 to December 2012, if you bought shares in companies when Gaurdie E. Banister Jr. joined the board, and sold them when he left, you would have a 0.3 percent return on your investment, compared to a 17.3 percent return from the S&P 500.
Interaction between a user and a service using announcements, voice prompting and information collection via in-band interaction or Unstructured Supplementary Service Data (USSD) interaction; Control of call duration and transfer of Advice of Charge Information to the mobile station;