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B-1
CALL SEQUENCES
APPENDIX B CALL SEQUENCES
B.1 GROUP CALL
B.1.1 MOBILE TO MOBILE ON SAME SITE
Use two mobiles with the same Home and list of
Group IDs. Select the same Group on the mobiles.
1. Press the PTT on Mobile-1.
• The CIM associated with the active repeater
changes from Idle Task ‘2’ to Receive Task “4”.
• Mobile-2 receives the voice communication from
Mobile-1.
• No DIMs receive voice communication.
2. Release the PTT on Mobile-1.
• The active CIM returns to the Idle Task “2”.
• Mobile-2 returns to Idle and is silent.
3. Repeat these steps using Mobile-2 as PTT Mobile.
B.1.2 MOBILE TO MOBILE WITH DIM
MONITORING
Use two mobiles with the same Home and list of
Group IDs. On the Dispatch Console (DC) select a
DIM and mobiles with a group that is common to
both.
1. Press the PTT on Mobile-1.
• The CIM associated with the active repeater
changes from Idle Task “2” to Receive Task “4”.
• The associated DIM changes from Idle Task “2”
to Receive Task “4”.
• The DIM receives the voice communication.
• Mobile-2 receives the voice communication from
Mobile-1.
2. Release the PTT on Mobile-1.
• The CIM returns to Idle Task “2”.
• Mobile-2 returns to Idle and is silent.
• The DIM returns to Idle Task “2” and no voice
communication is heard at the DC.
3. Repeat these steps using Mobile-2 as PTT Mobile.
B.2 DISPATCH CONSOLE (DC) TO MOBILE
GROUP CALL
Use two mobiles with the same Home and list of
Group IDs. Select the DIM that contains this Group
ID.
1. Press the PTT function on the DC.
• The associated DIM changes from the Idle Task
“2” to the Transmit Task “3”.
• The Associated CIM is selected and changes from
the Idle Task “2” to Transmit Task “3”.
• The mobiles receive the voice communication.
2. Release the PTT on the DC.
• The associated DIM returns to Idle Task “2”.
• The associated CIM returns to Idle Task “2”.
If the associated DIM has Hang Time defined, the
associated CIM enters Hang Task “7” for the
defined time.
When the Hang Time has expired the associated
CIM returns to Idle Task “2”.
• The mobiles return to idle and stop receiving.
B.3 MOBILE GROUP CALL TO DISPATCH
CONSOLE
Use two mobiles with the same Home and list of
Group IDs. On the Dispatch Console (DC) select a
DIM and mobiles with a group that is common to
both.
1. Press the PTT on Mobile-1.
• The CIM associated with the active repeater
changes from Idle Task “2” to Receive Task “4”.
• The associated DIM changes from Idle Task “2”
to Receive Task “4”.
• The DIM receives the voice communication.
• Mobile-2 receives the voice communication.
2. On the DC press the PTT of the DIM.
• The associated DIM changes to Transmit Task
“3”.
• The associated DIM changes to Duplex Task “6”.