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Question

58. 'With reference to ‘Unstructured Supplementary Service Data (USSD)’, which of the following statements is/are correct?
1. USSD technology is available to both GSM as well as CDMA devices.
2. No application installation is required for using USSD services.
3. National Unified USSD Platform developed by National Payments Corporation of India works using USSD technology.
Select the correct answer using the code given below.

A
Only 1 and 2
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B
Only 2 and 3
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C
Only 3
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D
All of the above
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Solution

The correct option is B Only 2 and 3
Unstructured Supplementary Service Data (USSD) is a technology unique to GSM (Global System for Mobile Communication). It is a capability built into the GSM standard phones to support transmitting information over the signalling channels of the GSM network. USSD provides session based communication, enabling a variety of applications. To bring all the Banks under the common platform, NPCI has started common USSD platform called NUUP (National Unified USSD Platform).

ADVANTAGES OF USSD
1.The customer will not be charged for the service which is being used through USSD unlike SMS where he/she will be charged as per the SMS tariff plan of the telecom operator.
2. Internet is not required, it works on voice connectivity.
3. Round the clock availability to customers (works even on holidays)
4. More secure than SMS.
5. No application installation is required.
6.
USSD is application with interactive Menu.


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