Self Study Courses

*Please note that due to limited supply, TT&S materials must be returned within 60 days or borrowers will be subject to a $100 replacement fee.

**Users must register with this site and be a part of a member company to request self study courses. Certificates of completion will not be mailed out by TT&S but can be printed by employees registered on this site by accessing their training records in the member area.

VoIP, Understanding - (2)

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Drills into VoIP technology, enough to understand fundamentals, fill the gaps and explain jargon and mainstream practices without bogging down on details. You'll understand what exactly packetized voice is, how it happens and the standards and protocols used. You'll learn about codecs and compression, and understand factors like delay, jitter and packet loss and how they affect sound quality. Examines carriers' IP network technologies, Service Level Agreements and the use of MPLS to implement Differentiated Services for Quality of Service (QoS).