Multiple choice

Which of the following supplementary services of GSM network enables the subscriber to interrupt an ongoing call and then subsequently re-establish the call?

  1. Call waiting

  2. Call hold

  3. Closed user group

  4. Call forwarding

  5. Call barring service

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

This supplementary service of GSM network enables the subscriber to interrupt an ongoing call and then subsequently re-establish the call.