the activities of an MCU, or when it authorizes the MCU to allow a call to
proceed.
MBps
Megabytes per second (MBps) is a unit of measure for the bitrate. The
bitrate is normally quoted as kilobits per second (kbps) and then converted
by dividing it by eight to reach the number of kilobytes per second (KBps)
and then by a further 1000 to calculate the MBps.
MCU
An MCU, or Multipoint Control Unit, connects several endpoints to a single
videoconference. It manages the audio mixing and creates the video
layouts, adjusting the output to suit each endpoint's capabilities.
MCU service
on page 56.
Media
Media refers to the live audio, video and shared data streams sent during a
call. Presentation and Far end camera control (FECC) are examples of
information carried on the data stream. Media is transmitted via the RTP
and RTCP protocols in both SIP and H.323 calls. The parallel data stream
of both live video and presentation, is known as dual video.
Media Control
on page 50.
Meeting Type
Meeting types (also known as MCU services) are meeting templates which
determine the core characteristics of a meeting. For example, they
determine if the meeting is audio only or audio and video, they determine
the default video layout, the type of encryption, PIN protection and many
other features. You can invoke a meeting type by dialing its prefix in front of
the meeting ID. Meeting types are created and stored in the MCU, with
additional properties in Scopia
®
Management.
Moderator
A moderator has special rights in a videoconference, including blocking the
sound and video of other participants, inviting new participants,
disconnecting others, determining video layouts, and closing meetings. In
Scopia
®
Desktop Client, an owner of a virtual room is the moderator when
the room is protected by a PIN. Without this protection, any participant can
assume moderator rights.
MTU
The MTU, or Maximum Transmission Unit, is the maximum size of data
packets sent around your network. This value must remain consistent for all
network components, including servers like the MCU and Scopia
®
Desktop
server, endpoints like XT Series and other network devices like LDAP
servers and network routers.
Multi-Point
A multi-point conference has more than two participants.
Multi-tenant
Service provider, or multi-tenant, deployments enable one installation to
manage multiple organizations. All the organizations can reside as tenants
within a single service provider deployment. For example, Scopia
®
Management can manage a separate set of users for each organization,
Glossary
56
Avaya Scopia
®
XT Desktop Server Installation Guide
August 2015