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CHAPTER 4 NDA-24305
Page 20
Revision 1.0
COMMANDS CONCERNING ISDN DATA ASSIGNMENT
Note 1:
Available in Australia and U.A.E.
Note 2:
For AT&T/Northern Telecom in U.S.A.
SYSTEM
DATA
TYPE
(SYS)
SYSTEM
DATA
INDEX
(INDEX)
0-511
DATA
(DATA)
00-FF
(Hex)
BIT CORRE-
SPONDING
DATA
SYSTEM DATA CONTENTS
DATA
0/1
BIT
1
230
0b
0
-b
6
Not used
b
7
Timing for receiving or sending ISDN/CCIS message.
0/1 = 32 ms/128 ms
248
b
0
-b
3
Maximum Digits for Call Forwarding External Restriction (for
Australia only)
0: 12 digits A: 10 digits
1-8: 8 digits B: 11 digits
9: 9 digits C-F: 12 digits
0b
4
Not used
b
5
Malicious call (ISDN) Service
Note 1
0/1 = Out/In Service
0b
6
Not used
b
7
Tone to be sent out when the handset has been lifted off-hook at
the station on which C.F.-All Calls service is set.
0/1 = Dial Tone (DT)/Special Dial Tone (SPDT)
478
T321 Timer (SERV ACK receiving Timer)
Note 2
Timer Value = MTC
x
1 sec.
(Default data 00 Hex: 30 sec.)
479
Timer for Dch Back u p
Note 2
Waiting Timer for a changeover when an ACT Dch detects Layer
2 down in a self or facing office.
Timer Value = MTC
x
1sec.
(Default data 00 Hex: 0 sec.)
b7 b6 b5 b4 b3 b2 b1 b0
MTC
b7 b6 b5 b4 b3 b2 b1 b0
MTC