Chapter 1 – AT Commands, S-Registers and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI/MT5656SMI Reference Guide (S000306C)
42
55
0-FFFF
Received characters lost (data overrun errors to DTE)
56
0-FFFFFFFF Transmit I- Frame count, if error control protocol running
57
0-FFFFFFFF Received I-Frame count, if error control protocol running
58
0-FFFF
Transmit I-Frame error count, if error control protocol running
59
0-FFFF
Received I- Frame error count, if error control protocol running
60
Table 1-12
Termination Cause
61
0-FF Call
Waiting event count
Table 1-5. Call Setup Result Codes
Code
Definition
0
No previous call (modem log has been cleared since any previous calls)
1
No dial tone detected
2
Reorder signal detected, network busy
3
Busy signal detected
4
No recognized signal detected (e.g., no signal, or nothing recognizable)
5
Voice detected * if this is a voice modem (e.g., V.253) operating in voice mode (e.g.,
+FCLASS=8.0)
7
Data Answering signal detected (e.g., V.25 ANS, V.8 ANSam)
8
Data Calling signal detected (e.g., V.25 CT, V.8 CI)
9
Fax Answering signal detected (e.g., T.30 CED, DIS)
A
Fax Calling signal detected (e.g., T.30 CNG)
B
V.8bis signal detected
Table 1-6. Multimedia Modes
Code
Definition
0
Data Only
1
Fax Only
2
Voice
9
Video-telephony, H.324
A
Other V.80 call
Table 1-7. DTE-DCE modes
Code
Definition
0
Async data
1
V.80 transparent synchronous mode
2
V.80 framed synchronous mode
Table 1-8. V.34 INFO bit report
Bits Source bits Definition
31-30
INFO0 bit 20; 0
20-29
INFOc bits 79-88
16-19
INFOc bits 26-29 or 35-38 or 44- 47 or 53-56- or 62-65 or 71-74
Pre-emphasis field, selected by the symbol rate chosen
12-15
INFOa bits 26-29
10-11
MP bit 50; 0
0-9
INFOa bits 40-49
Table 1-9. gstnModulationSchemeActive from 3.7.2/V.58
Value
Description
0
V.17 (G3 Fax call)
1
V.21
2
V.22
3
V.22bis
4
V.23 Constant Carrier (1200/75)
8
V.27ter (G3 Fax call)
9
V.29 HD (G3 Fax call)
A
V.32
B
V.32bis
C
V.34
E
V.90 and V.92
81
56K
84 Bell
212A
85
Bell 103
