Multi-Tech Systems MT5600SMI-34 User Manual

Page 68

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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

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