Multiple choice technology testing

Which of the following Destinations allows SID routing?

  1. SW/TK

  2. XN

  3. PSTN

  4. Both (a) and (b)

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

In telecom routing configurations, XN represents a specific destination type that supports Sender Identification (SID) routing, allowing call routing decisions to be made based on the calling party's station ID, unlike standard PSTN or switch trunk interfaces.