Push-To-Talk (Ptt) Cockpit Call Control Mode; G Latched Call Control Mode - Honeywell ASPIRE-400 System Description, Installation And Maintenance Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
NOTE:
(4) The ACD routes or rejects an incoming PS safety voice SIP call (SIP:INVITE) according
to the call decision logic defined by:
(a)
(b)
(5) The ACD PBX determines priority in Ground-to-Air VoIP calls from:
(a)
(b)
F.

Push-to-Talk (PTT) Cockpit Call Control Mode

(1) The ACD PBX operates in PTT mode when ORT activated.
(2) In PTT mode, the ACD initiates air-to-ground call, based on either of the following:
(a)
(b)
(3) If in PTT mode, the ACD PBX accepts a ground-to-air annunciated call (enter
CONNECTED state) on any of the following conditions:
(a)
(b)
(4) In PTT mode, when a call is CONNECTED, the ACD:
(a)
(b)
(5) In PTT mode, the ACD initiates an Air Clear (reverting the call state to idle from the
airplane side) on any of the following conditions:
(a)
(b)
G. Latched Call control mode
(1) The SDU operates in Latched mode when configured by ORT.
(2) In Latched mode, the ACD initiates air-to-ground call, based on either of the following:
(a)
(b)
(c)
EFFECTIVITY
ALL
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ASPIRE-400
This figure is descriptive to aid understanding, explicit requirements cover the
content.
BGAN PS routing and preemption
Voice ORT configuration.
the SIP header Resource-priority field for VoIP calls if present, else,
set the call priority as Public.
MAKE CALL command from the call-display-and-control protocol
A transition of the associated Cockpit Voice Mic On discrete if ORT enabled for
Preselect.
NOTE: The Call Place/End discrete is not used for placing calls.
ANSWER CALL command received on the call-display-and-control protocol
The first transition of the associated Cockpit Voice Mic On Discrete.
Activates cockpit microphone when the associated Cockpit Voice Mic On
discrete is on, and
Mutes the cockpit microphone when the associated Cockpit Voice Mic On
discrete is off.
END CALL is signaled on the call-display-and-control protocol
The associated Call Place/End Discrete transitions to Call End.
A MAKE CALL command from the call-display-and-control protocol.
A transition of the associated Cockpit Voice Mic On discrete if ORT enabled for
Preselect.
NOTE: The Call Place/End discrete is not used for placing calls.
In Latched mode, the ACD accepts an annunciated Ground-to-Air call (enter
CONNECTED state) on any of the following:
23-15-49
3rd rvw Draft as of:
29 January, 2020
Page 2-34
22 Apr 2019