As we all know customers can make contact to a Contact Centre via various devices. Most typically these are traditional phone (voice), computer (laptop, desktop) or smartphone. Then each of these devices can be used to communicate with a company’s Contact Centre through different communication methods or channels. This article will discuss the most established and probably the most complex communication channel in a Contact Centre; the voice channel, a method of communication many customers rely on to resolve issues, pay bills, renew services and more.