Overview/Description To test your knowledge on the skills and competencies being measured by the vendor certification exam. TestPrep can be taken in either Study or Certification mode. Study mode is designed to maximize learning by not only testing your knowledge of the material, but also by providing additional information on the topics presented. Certification mode is designed to test your knowledge of the material within a structured testing environment, providing valuable feedback at the end of the test. Target Audience Individuals seeking practice in a structured testing environment,...

Overview/Description There are a variety of technologies required to make VoIP work. Standards, protocols, and devices all need to be voice capable and, in many instances, compatible with both third-party devices and the PSTN. Along with a review of the TCP/IP protocol and basic routing, this course covers such VoIP elements as analog and digital interfaces; numbering and dial plans; gateways and gatekeepers; and the various protocols used in VoIP operation. Target Audience A range of established IT professionals with an understanding of networking technology who need to be familiar with VoIP...