Ready for a professional exploration of VOIP? Trainer Greg Dickinson walks you through Cisco's voice technologies, as well as prepare you for the CCNA Voice exam. This course is designed for users that already have experience in Cisco data technologies. You will start by learning about voice communications, codecs, and voice technology. From there, Greg will teach you about Cisco Unified Communications Manager (CUCM) Express, as well as external communication with Communications Manager Express (CME). This video tutorial also covers class of restriction in CME, call handling features, and quality of service. Other topics that are covered include CUCM, phone restriction in CUCM, device configuration, and user access to CUCM. You will also learn about Cisco unity connection, Cisco Unified Presence, and troubleshooting. Once you have completed this computer based training course, you will have covered all of the exam objectives for the Cisco 640-461 (ICOMM) exam.