Values |
Hang-up cause description |
00 - 0F |
Call placement and termination |
00
01
02
03
04
05 |
Normal and proper end of connection
Ring detect without successful handshake
Call aborted, from +FKS or < CAN>
No Loop Current
Ringback detected, no answer (timeout)
Ringback detected, answer without CED |
10 - 1F |
Transmit Phase A and miscellaneous errors |
10
11 |
Unspecified Phase A error
No answer (T.30 T1 timeout) |
20 - 3F |
Transmit Phase B hang-up codes |
20
21
22
23
24
25
26
27
28 |
Unspecified transmit Phase B error
Remote cannot receive or send
COMREC error in Phase B
COMREC error in transmit Phase B
RSPREC error
DCS send three times without response
DIS/DTC received 3 times; DCS not recognised
Failure to train at 2400 bit/s or +FMS value
RSPREC invalid response received |
40 - 4F |
Transmit Phase C hang-up codes |
40
41
42
43
44
45
46
47 |
Unspecified transmit Phase C error
Unspecified image format error
Image conversion error
DTE to DCE data underflow
Unrecognised transparent data command
Image error, line length wrong
Image error, page length wrong
Image error, wrong compression code |
50 - 6F |
Transmit Phase D hang-up code |
50
51
52
53
54
55
56
57
58 |
Unspecified transmit Phase D error
RSPREC error
No response to MPS repeated 3 times
Invalid response to MPS
No response to EOP repeated 3 times
Invalid response to EOP
No response to EOM repeated 3 times
Invalid response to EOM
Unable to continue after PIN or PIP |
70 - 8F |
Receive Phase B hang-up codes |
70
71
72
73
74 |
Unspecified receive Phase B error
RSPREC error
COMREC error
T.30 T2 timeout, expected page not received
T.30 T1 timeout after EOM received |
90 - 9F |
Receive Phase C hang-up codes |
90
91
92
93 |
Unspecified receive Phase C error
Missing EOL after 5 seconds
Bad CRC or frame (ECM mode)
DCE to DTE buffer overflow |
A0 - BF |
Receive Phase D hang-up codes |
A0
A1
A2
A3 |
Unspecified receive Phase D error
RSPREC invalid response received
COMREC invalid response received
Unable to continue after PIN or PIP |
C0 - DF |
- reserved for future standardisation |
E0 - FF |
- reserved for manufacturer specific use |
00 - 09 |
Call placement and termination |
00
01
02
03 |
Normal and proper end of connection
Ring detect without successful handshake
Call aborted, from +FKS or AN
No Loop Current |
10 - 19 |
Transmit Phase A and miscellaneous errors |
10
11 |
Unspecified Phase A error
No answer (T.30 T1 timeout) |
20 - 39 |
Transmit Phase B hang-up codes |
20
21
22
23
24
25
26
27
28 |
Unspecified transmit Phase B error
Remote cannot receive or send
COMREC error in transmit Phase B
COMREC invalid command received
RSPREC error
DCS send three times without response
DIS/DTC received 3 times; DCS not recognised
Failure to train at 2400 bit/s or +FMINSP value
RSPREC invalid response received |
40 - 49 |
Transmit Phase C hang-up codes |
40
41 |
Unspecified transmit Phase C error
DTE to DCE data underflow |
50 - 69 |
Transmit Phase D hang-up code |
50
51
52
53
54
55
56
57
58 |
Unspecified transmit Phase D error
RSPREC error
No response to MPS repeated 3 times
Invalid response to MPS
No response to EOP repeated 3 times
Invalid response to EOP
No response to EOM repeated 3 times
Invalid response to EOM
Unable to continue after PIN or PIP |
70 - 89 |
Receive Phase B hang-up codes |
70
71
72
73
74 |
Unspecified receive Phase B error
RSPREC error
COMREC error
T.30 T2 timeout, expected page not received
T.30 T1 timeout after EOM received |
90 - 99 |
Receive Phase C hang-up codes |
90
91
92
93
94 |
Unspecified receive Phase C error
Missing EOL after 5 seconds
Unused code
DCE to DTE buffer overflow
Bad CRC or frame (ECM to BFT modes) |
100 - 119 |
Receive Phase D hang-up codes |
100
101
102
103 |
Unspecified receive Phase D error
RSPREC invalid response received
COMREC invalid response received
Unable to continue after PIN or PIP |
120 - 255 |
Reserved codes |