Network convergence, by which a single network helps phone, video, and knowledge communication providers, has resulted in extensive modifications to voice and telephony applied sciences during the last decade.
Company voice and telephony providers are quickly remodeling from conventional public-switched telephone networks (PSTNs) and private branch exchanges (PBXs) to voice over IP (VoIP) and IP PBXs, usually mixed with digital faxing, video conferencing, prompt messaging and cell communications. Meaning VoIP and telephony certifications now deal with digital communications, together with a very good measure of IP networking protocols and strategies to assist such visitors and to regulate service high quality.