NCast Telepresenter M4 - Manual (Page 44)

NCast Telepresenter Reference Manual
Channel 4 – Telepresenter A participates in a collaborative session on multicast address 239.192.2.0
Channel 5 – Telepresenter A establishes a full-duplex session to B using unicast point-to-point
Channel 6 – Telepresenter A establishes a full-duplex session to C using unicast point-to-point
The channel tables in units B and C are setup to complement these assignments.
Enter a descriptive name for the channel. This could be by department “Engineering”, by location
“Sunnyvale”, by content “HR Training”, by bit-rate “High Resolution Webcast”, by arbitrary token “Red”, or
any other scheme that makes sense to the administrators or users.
4.2.2. Channel Type
The Telepresenter has six basic modes of operation:
• Streaming Send – The unit will be transmitting in a one-way, one-to-many session to other units or
remote desktops.
• Streaming Receive – The unit will be receiving a transmission from some other source on this
address.
• Streaming Full Duplex – The unit will be engaged in a two-way, simultaneous connection with one
other Telepresenter. Graphics and Audio generated on one unit will be received at the other unit.
• Automatic Unicast – The unit will utilize the services of a streaming server for rebroadcast
(reflection) of the incoming stream. Through use of the RTSP protocol an announcement is sent to
the server indicating a new streaming session is starting.
• Conference Coordinator – The unit will be the conference coordinator for a multi-unit collaborative
session (2 or more units). This unit will transmit on the channel until the “floor control” is handed off
to one of the remote units by the Coordinator. Upon completion of the remote presentation “floor
control” is returned to the Coordinator who resumes transmission. The Coordinator always retains
the right to pass control to any of the units.
• Conference Participant – The unit will participate in a collaborative conference, but will not transmit
until “handed the floor” by the Coordinator.
NCast Corporation Revision 2.2
Page 44