Terminology
A/V Conferencing Server | A server that provides audio or video conferencing functionality to a group of users. |
Archiving Server | A server that archives IM communications and meeting content. |
Edge Server | A server that allows Lync clients to communicate with users outside the firewall. |
Lync Server | A Microsoft Unified Communication application. Lync Server applications include Lync Server 2010 and Lync Server 2013. Lync Server offers video conferencing, desktop or application sharing, calling, and IM. |
Lync Server role | A defined set of Lync Server functionalities provided by that server. |
MOS | Mean Opinion Score. A score value in the range of 1.0 to 5.0. The greater the value, the better the voice quality. |
Mediation Server | A component necessary for implementing Enterprise Voice and Dial-in conferencing. It translates signaling and media between the internal Lync Server infrastructure and the PSTN network. |
Monitoring Server | A server that collects usage information from Lync calls or video conferencing to provide QoS information. |
Network Quality Analyzer | Network Quality Analyzer. A tool that measures the network quality. |
QoS | Quality of Service. Ability of a network to provide differentiated service guarantees for diversified traffic in terms of bandwidth, delay, jitter, and drop rate. |
Test tunnel | Link between any two network devices. Two network devices on the ends of the link send NQA test packets to each other for testing and analyzing the link quality and network performance. |
UCHM | Unified Communications Health Manager. An IMC service component that supports the following functions:
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