Which of the following would a company use to bill users for the use of the telephony system?

🎲 Try a Random Question  |  Total Questions in Quiz: 430  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
CT0-101 EXAM: CompTIA Convergence+ Certification Exam — practice the complete quiz, review flashcards, or try a random question.


Which of the following would a company use to bill users for the use of the telephony system?