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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.
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.
Former Westel; MNC has the same numerical value as the area code; [11] [2] UMTS shut down June 2022 [164] 216: 70: Vodafone: Vodafone Magyarország Zrt. Operational: GSM 900 / LTE 800 / LTE 1800 / LTE 2600 / 5G 700 / 5G 2100 / 5G 3500: MNC has the same numerical value as the area code; [11] [2] UMTS shut down Mar 2023 [165] 216: 71: upc ...
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.
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
The use of USSD increased by 14.5 per cent in March 2020, due to COVID-19 restrictions and in June same year, the value in monetary term was put at N390 billion and monthly average value of USSD transactions rose to N230 billion. Guaranty Trust Bank (GTB) alone reported ₦3.89 trillion in USSD transaction value for 2020. The USSD service ...
The number of radio and TV channels and print publications has increased, as has their freedom to report and debate political and social issues. State TV, which had toed the government line, has changed tack, giving airtime to the former opposition. [5] Prior to the Tunisian revolution there were four private radio stations operating in Tunisia.
LIST OF AREA CODES Governorate Area Code Ariana: 70, 71 and 79 Béja: 78 Ben Arous: 70, 71 and 79 Bizerte: 72 Gabès: 75 Gafsa: 76 Jendouba: 78 Kairouan: 77 Kasserine: 77 Kebili: 75 Kef: 78 Mahdia: 73 Manouba: 70, 71 and 79 Medenine: 75 Monastir: 73 Nabeul: 72 Sfax: 74 Sidi Bouzid: 76 Siliana: 78 Sousse: 73 Tataouine: 75 Tozeur: 76 Tunis: 70 ...