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Note 4 (with D = 39).
7. If possible, the DCE should process these packets normally. On the other hand, the DCE may define an internal mechanism to
indicate that valid data packets have been discarded during a receive-not-ready condition. In this case, when the recelve-not-ready
condition clearj, the DCE should reset the logical channel, forwarding both a reset indication packet to the DTE (D=O, no additional
information) and a reset request packet to the IWE
Part I Annex 10 - Aeronautical Telecolnmunications
Table 4-35. 'DCE timer
-
Default time-
Timer design limit value Start event Normally terminated by Action whcn timer expires
tNlO 60 s DCE issues a Reception of RESTART DCE enters the r1 slate and
RESTART CONFIRMATION or may issue a DIAGNOSTIC
INDICATION RESTART REQUEST packet (D = 52)
packct packel
tNl l 180 s DCE issues an Reception of CALL DCE enters the p7 state
INCOMING ACCEPTED or CLEAR signalling a CLEAR
CALL packet REQUEST or CALL lNDICATION packet (I3 = 49)
REQUEST packet (see Note)
tN12 60 s DCE issues a Receipt of RESET DCE enters the p7 state
RESET CONFIRMATION or RESET signalling a CLEAR
INDICATION REQUEST packet INDICATION packet (D = 51)
packct (see Note)
tN13 60 s DCE issues a Reception of a CLEAR DCB enters the pl state and
CLEAR CONFIRMATION or CLEAR may issue a DIAGNOSTIC
INDICATION REQUEST packet packet (D = 50)
packet
Note.- The clear is exfended to the IN'[* i.e. the DCE shall issue a clear request packet :o the IWF
-
Table 4-36. SSNDPX/IWF interface
Packets received from SSNDPX Action
II CINACLOLM ClONNGN CEACLTLE D SSeeee 44..77..55..11..32 II
1 CLEAR INDICATION See 4.7.5.1.4 ~ DATA See 4.7.5.1.5 II IINNTTEERRRRUUFP'TT .CONFIRMATION SSeeee 44..77..55..11..55 II
- -
Packets sent to SSNDPX
II CCAALLLL RAECQCEUPETSETD II
1I IDNATTEAR RUPT II
I I-NTERRUPT CONFIRMATION
I ~ RESET REQUEST
Annex 10 - Aeronautical Telecommunications
Table 4-37. IS0 8208 DCEfiWF interface
1 Packets received from IS0 8208 DCE Action
CALL REQUEST See 4.7.5.2.2
CALL ACCEPTED See 4.7.5.2.3
CLEAR REQUEST See 4.7.5.2.4
DATA See 4.7.5.2.5
INTERRUPT See 4.7.5.2.5
INTERRUPT CONFIRMATION See 4.7.5.2.5
RESET REQUEST See 4.7.5.2.5
Packets sent to IS0 8208 DCE
INCOMING CALL
CALL ~ONNECTED
CLEAR INDICATION
DATA
INTERRUPT
INTERRUPT CONFIRMATION
RESET INDICATION
RESTART INDICATION
Volume 111
Part I Annex 10 - Aeronautical Telecommunications
Table 4-38. Circuit-mode - link interface data units
E r n
1. Abbreviated access request - telephone
2. Call announcement
3. C channel assignment
4. Call information - service address
5. Call progress - call attempt result
6. Call progress - channel release
7. Call progress - data modc
8. Call progress - test
9. Call progress - connect
10. Telephony acknowledge
1 LICI parmeters
Message type (all)
AES ID (all)
GES ID (all)
Q number (all)
Application reference numbcr (all)
Source (1,2)
Service direction (1,2)
Service ID (1.2)
Network ID (I)
Circuit data rate (1,2)
Voice channel characteristics (I ,2)
Called terminal. (2)
Calling terminal (l,4)
Initial EIRP (3)
1 Receive channel frequency (3) I
Transmit chmcl frequency (3)
Report type (5,6,7,8,9)
s (5,6)
Location (5,6)
Cause class (5,6)
Cause valuc (5,6)
Digir 0, l ( I )
Digit 2-9 (1,4)
Ackhack ( I 0)
Routing (5,6,10)
Message type of missing CM-LIDU (10)
Annex 10 - Aeronautical Telecommunications Volume ZZI
Table 4-39. AES outgoing procedure - interworking telephony events
1 Event type Event name
Parameter mapping Tolfrom interworking
requirements interface with
(Figure*) aircraft network
FITE 22
BITE 5
BITE 12
BITE 14
BITE 15
BITE 16
BITE 17
BITE 20
BITE 22
BITE 25
Calling party category indicator - AMS(R)S
call origination
Clear forward
Address complete
Call unsuccessful - network congestion
Call unsuccessful - address incomplete
Call unsuccessful - unallocated number
Call unsuccessful - called party busy
Call unsuccessful - line out of service
Call unsuccessful - send error indication
Answer
Clear back
* Figures are located in Appendix 5 to Chapter 4.
A5- I a), b) From
From
To
To
To
To
To
To
To
To
To
~ - - -
Table 4-40. AES incoming procedure - interworking telephony events
1 Event type Evcnt name
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