Multi-Tech Systems MT5600SMI-92 manual errorControl Active from 3.5.2/V.58 Value Description

Chapter 5 – AT Commands, S-Registers, and Result Codes

Table 5-10. errorControl Active from 3.5.2/V.58

Value Description

0Disable/none

1V.42 LAPM

2V.42 Alternative protocol (MNP™)

80MNP10™

Table 5-11. compressionActive from 3.2.2/V.58

Value Description

0None

1V.42bis and V.44

80MNP5™

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

40RetrainAttemptCountExceeded

41GstnCleardownReceived

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

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 68