Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide
68
Table 5-10. errorControl Active from 3.5.2/V.58
Value Description
0 Disable/none
1 V.42
LAPM
2
V.42 Alternative protocol (MNP™)
80 MNP10™
Table 5-11. compressionActive from 3.2.2/V.58
Value Description
0 None
1
V.42bis and V.44
80 MNP5™
Table 5-12. callCleared codes from 3.6.4/V.58-1994
Value Description
Notes
0
CauseUnidentified
Call setup issues
1
No Previous call
Not in V.58
2
Call is still in progress
Not in V.58
3
Call Waiting signal detected
Not in V.58, only if modem can detect it
4
Delayed
Same as value 2A, CallAttemptsLimitExceeded
19 InactivityTimerExpired
1F cct108isOffInhibitsDial
DTR
low
20 cct108turnedOff
DTR
drop
29 BlacklistedNumber
2A
CallAttemptsLimitExceeded
Same as “Delayed”, see ETS 300 001
2B
ExtensionPhoneOff-hook
If extension detection supported
2C
CallSetupFailTimerExpired
e.g., S7 timeout
2D
IncomingCallDetected
If incoming call while sending dial command.
2E LoopCurrentInterrupted
2F
NoDial tone
31 ReorderTone
Fast
busy
33 EngagedTone
Busy
34
LongSpaceDisconnect
And if modem program to abort on long space
3C CarrierLost
Signal
Converter
3D TrainingFailed
3E NoModulationinCommon
3F RetrainFailed
40 RetrainAttemptCountExceeded
41 GstnCleardownReceived
42
FaxDetected
If this was not a fax call attempt
46 InTestMode
Test
50 AnyKeyAbort
Call
Control
51
DteHangupCommand
If ATH was used to terminate the previous call.
52
DteResetCommand
If ATZ was used to terminate the previous call.
5A FrameReject
Error
Control
5B
NoErrorControlEstablished
Error control was required
5C ProtocolViolation
5D
n400exceeded LAPM retransmission Count Timer
5E NegotiationFailed
5F DisconnectFrameReceived
60 SabmeFrameReceived
64 LossOfSynchronization Data
Compression