UPSC Prelims 2019 · Question 5 of 99

UPSC Prelims 2019 question on LTE and Volte Differences

With reference to communications technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?

1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.

2. LTE is data-only technology and VoLTE is voice-only technology.

Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Show answer

Answer: D. Neither 1 nor 2

Verdict

Neither statement 1 nor statement 2 is correct → Option (d).

Statement by statement

Statement 1 – INCORRECT: LTE is commonly marketed as 4G LTE, not 3G. VoLTE is a technology update to the LTE protocol used by mobile phone networks, not 'advanced 3G'.

Statement 2 – INCORRECT: Under LTE, the infrastructure of telecom players only allows transmission of data while voice calls are routed to their older 2G or 3G networks. VoLTE allows voice calls to be 'packaged' and carried through LTE networks. This would mean 4G data accessibility even during calls. Hence LTE is not data-only and VoLTE is not voice-only.

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