Initiation, Change broadcaster/return channel – Comtech EF Data MIDAS 4 System and Design User Manual
Page 39
System and Design Manual, Revision 2
Solutions 2–15
Initiation
1. Chairperson selects one of the pre-defined groups from the VCCS™
touch panel.
2. The panel displays all the group members.
3. Chairperson begins by selecting the participants. The chairperson is
the default broadcaster.
4. When chairperson is done selecting, the MIDAS Controller is
informed.
5. MIDAS allocates bandwidth and the Chairperson starts transmitting.
6. Upon selection, the MIDAS Controller informs each participant of the
conference initiation.
7. As participants accept the invitation to join the conference, the
chairperson is informed of their status on the control panel.
8. Chairperson can now add new participants or drop current participants.
Change
Broadcaster/Return
Channel
1. A participant can send a request to the chairperson indicating a wish to
communicate.
2. The requesting participant’s status changes on the chairperson’s panel
indicating the request.
3. The chairperson can accept the request and grant the requester either
the return channel for talk back or the broadcast privilege, or reject the
request.
4. If the requester is granted the return channel, the current participant (if
any) transmitting on the return channel stops transmitting and the
participant granted the return channel starts transmitting on the return
channel. (MIDAS Controller allocates bandwidth for return channel, if
required)
5. If the requester is granted the broadcast privilege, the current
broadcaster stops broadcasting and the participant granted the
broadcast privilege starts broadcasting.
6. If the request is rejected, the requesting participant is informed.
7. The chairperson can change the broadcaster designation at will.
8. The chairperson can change the return channel at will.