Multiple choice general knowledge

how many numbers are required to make a call ?

  1. 2

  2. 3

  3. 4

  4. 1

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Making a call requires: (1) SIM ICCID for network authentication, (2) MSISDN (caller's number), (3) dialed number, and (4) routing/network codes. This includes the dialed number, caller's MSISDN for billing, SIM identification for network validation, and network routing information.