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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.
Banks V. Telcos USSD Dispute is a 2019 commercial dispute in Nigeria between the banks and telecommunication companies about who should pay for the use of Unstructured Supplementary Service Data (USSD) for financial transactions such as funds transfer, checking account balance and mobile airtime top-ups. This service gained wide usage in ...
International mobile remittance (also known as international mobile airtime recharge / international top-up / top-up credit) is a remittance transfer service which allows a person in one country to securely and electronically transfer or top-up mobile credit to another mobile belonging to a family member or friend abroad. The top-up can happen ...
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The prepaid mobile phone user dials a "trigger" number from the foreign location using a USSD message which is not charged for while roaming. Upon receipt of the USSD, the customer's operator will then return the call. When the service calls back, the user is being charged for the cost of the service from the credit available in the home network.
Indonesia Global Gateway (IGG), an undersea cable system connecting Manado and Dumai, a project collaboration between Telkom and Telin. World Hub of Command Centre (WHOCC) is located in Kalibata, Jakarta, Indonesia to provide various services such as Help Desk and Assistance 24/7, Network Surveillance, and Real Time Fault Handling (RTFH)s.
Telkom (formerly known as 8.ta from 18 October 2010 till 19 March 2013 and as Telkom Mobile From 19 March 2013 till 2014), [1] [2] [3] is a South African mobile telecommunications company. Telkom was launched in October 2010 and is owned by Telkom SOC. Telkom phone numbers use the 0811 to 0819 dialling prefixes. [4]
It is headquartered alongside Telkom in the Telkom Landmark Complex. Telkomsel is the largest cellular telecommunication carrier in the country with 169.5 million customer base as of 2020. [ 2 ] The company operates their GSM network on the 900–1800 MHz frequency range, as well as 3G , 4G , and 5G services on other frequencies.