Voice over IP, apart from its many advantages, allows people to communication through voice for very cheap if not free.
Voice n'elu IP , ma ọ bụghị ọtụtụ uru ya , na-enye ndị mmadụ ohere ikwurịta okwu site na olu maka ọnụ ala ma ọ bụrụ na ọ nweghị n'efu.