
8 SUPPLEMENTARY SERVICE ........................................................... 47
8.1 C
ALL
M
ANAGEMENT
F
EATURES
.................................................... 47
8.2 F
LASH
....................................................................................... 47
8.3 D
ISCONNECTING A
C
ALL
.............................................................. 48
8.4 R
ETRIEVING A
C
ALL ON
H
OLD
....................................................... 48
8.5 T
RANSFERRING
C
ALLS
................................................................ 48
8.6 C
ONFERENCING
C
ALLS
................................................................ 48
8.7 D
ROP
L
AST
C
ALL
........................................................................ 49
8.8 S
IGNALING
................................................................................. 49
9 AT COMMAND SET........................................................................... 51
9.1 I
NTRODUCTION TO THE
AT
C
OMMAND
S
ET
.................................... 51
9.2 F
UNCTIONAL
S
TATES
.................................................................. 51
9.3 G
UIDELINES FOR
U
SING
AT C
OMMANDS
........................................ 52
9.4 P
ROFILE
D
ESCRIPTIONS OF THE
IS425A ....................................... 53
9.5 P
ROBLEMS IN
C
OMMAND
E
XECUTIONS
.......................................... 54
9.6 D
ESCRIPTION OF
AT C
OMMANDS
................................................. 55
9.7 S R
EGISTERS
............................................................................. 72
9.8 R
ESULT CODE
............................................................................. 73
10 ORDERING ISDN ............................................................................. 75
10.1 B
ASICS OF
O
RDERING
ISDN ...................................................... 75
10.2 S
UGGESTED
O
RDERING
C
ODES
.................................................. 76
10.3 SPID
S AND
IOC
S
..................................................................... 77
10.4 S
UMMARY OF
R
ECOMMENDED
IOC
S
........................................... 78
11 TROUBLESHOOTING TIPS............................................................ 79
11.1 C
OMMON
P
ROBLEMS AND
S
OLUTIONS
......................................... 79
APPENDIX A: AT COMMAND SUMMARY ........................................... 83
APPENDIX B: COMMAND RESULT CODE ........................................... 91
APPENDIX C: DIP SWITCH SETTINGS ................................................. 93
APPENDIX D: IS425A SPECIFICATIONS .............................................. 95
Summary of Contents for IS425A
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