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Meghna Mittal
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Begginer
Asked: 2022-02-14T03:43:18+00:00

With reference to the mobile telephony, the USSD technology is increasingly being adopted in recent times for various services. How the USSD is different from SMS ?

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1. While USSD maintains a continuous session so that users receive immediate response, SMS service can’t involve a continuous session
2. While per message length in USSD is 182 alphanumeric characters, it 160 alphanumeric characters for SMS
Choose the correct option from the codes given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

With reference to the mobile telephony the USSD technology is increasingly being adopted in recent times for various services. How the USSD is different from SMS ?

    1 Answer

    1. Enlightened
      C [ Both 1 & 2]
      Notes:
      Unstructured Supplementary Service Data is a type of communications protocol which is used by GSM cellular telephones to set up communication with the mobile network operator’s computers. It maintains a continuous session which enables the users receive immediate response. Short message service uses standardized communication protocols which enable user to exchange short text messages through cell phones. It is of a single instance type and can’t involve a continuous session. While per message length (7 bit character) in USSD is 182 alphanumeric characters , it is 160 alphanumeric characters for SMS.
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