Voice over IP (VoIP) has become common in the business world, and now Video over IP is becoming more integrated into networks. Neither should be added to a network without advance planning to ensure good voice and video quality. Some benefits of converging voice, video, and data networks include
• Consolidating network expenses: Only one wire and one switch port are needed per user. One network to provision and manage.
• More efficient bandwidth use: Bandwidth can be used for data when there is not an active voice/video session.
• Lower telephony costs: Internal calls use the data network, rather than the PSTN.
• Innovative services: Ability to unify a company’s various methods of communication. ...