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Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) 54
L
Leased-Line Dial Back-up Number Storage – &Z3 ..11
Line Quality Monitor – %En......................................12
Line Signal Level – %L.............................................12
Line Signal Quality – %Q .........................................12
List Identification Number – RLI...............................42
List Request of Delayed Call Number – RLD...........41
List Request of Forbidden Number – RLF................42
List Request of Stored Number – RLN.....................42
Lists Current Operating Parameters – L5...................6
Load Factory Settings – &Fn......................................9
Local Analog Loopback Test – &Tn .........................10
Long Space Disconnect – Yn.....................................8
M
Make/Break Dial Ratio – &Pn...................................10
Maximum MNP Block Size – \An..............................12
Microphone Gain – +VGM........................................37
MNP Extended Services – -Kn.................................15
Modem Connection Commands
+PCW=n – Call Waiting Enable............................17
+PIG=n – PCM Upstream Ignore..........................17
+PQC=n – Quick Connect Control........................17
+PSS – Use Short Sequence ...............................17
-QCPC – Force Full Startup Procedure Next
Connection........................................................18
-QCPS – Enable Quick Connect Profile Save ......18
Modem Reset – Zn.....................................................8
Modem-Initiated Flow Control – &En..........................9
Modulation Command
+MR – Modulation Reporting Control ...................24
Modulation Reporting Control – +MR.......................24
Modulation Selection – +MS= ..................................14
Monitor Speaker Mode – Mn......................................6
O
Online command mode..............................................4
P
PCM Code Selection – %U......................................12
PCM Upstream Ignore – +PIG=n.............................17
press Enter.................................................................4
Pulse Dialing – P........................................................6
Q
Quick Connect Control – +PQC=n ...........................17
R
Read Register Value – Sr? ........................................7
Repeat Last Command – A/.......................................5
Result Code Format – Vn...........................................7
Result Code Selection – Xn .......................................7
Result Codes Enable/Disable – Qn............................7
results codes....................................46, 47, 48, 49, 50
Return Online to Data Mode – On..............................6
Ringback Goes Away Timer – +VRA .......................33
Ringback Never Appeared Timer – +VRN ...............34
S
Program Identification Number – PRIa.....................41
Program Number – PRNx ........................................41
Select DTE/Modem Interface Rate (Turn Off
Autobaud) – +VPR ...............................................36
Select Profile for Hard Reset – &Yn.........................11
Select Register – Sr ...................................................7
Select Voice Mode – +FCLASS=8 ...........................28
Selective Reject – +ESR..........................................22
Send Voice Tone(s) – +VTS ....................................30
Serial Port Baud Rate – $SBn..................................15
Set Register Value – Sr=n..........................................7
Set Telephony Extension – -STE=...........................25
Silence Detection (Quiet and Silence) – +VSD ........34
Single Line Connect Message – \Vn........................13
Speaker Gain – +VGS..............................................37
Speakerphone Commands
+VGM – Microphone Gain....................................37
+VGS – Speaker Gain..........................................37
+VSP – Speakerphone ON/OFF ..........................37
Speakerphone ON/OFF – +VSP..............................37
S-Registers ..............................................................43
Start Modem Receive – +VRX .................................30
Start Modem Transmit (Playback) – +VTX...............31
Store Callback Number – #CBNn.............................19
Store Callback Password – #CBPn..........................19
Store Current Configuration – &Wn..........................11
Store Telephone Number – &Zn ..............................11
Sync/Async Mode – &Qn .........................................10
Synchronous Clock Source – &Xn...........................11
T
Test Command
&Tn – V.54 Test Command..................................27
Tone Dialing – T.........................................................7
Transmit Break – \Bn ...............................................12
U
Unformatted Form Reporting – Caller ID..................38
Use Short Sequence – +PSS...................................17
V
V.22bis Guard Tone Control – &Gn ...........................9
V.25bis Commands
CIC – Connect Incoming Call ...............................41
CRIs – Call Request Identification........................41
CRNs – Call Request Number..............................41
CRSx – Call Request Address..............................41
DIC – Disregard Incoming Call.............................41
RLD – List Request of Delayed Call Number .......41
RLF – List Request of Forbidden Number............42
RLI – List Identification Number............................42
RLN – List Request of Stored Number .................42
PRIa .....................................................................41
PRNx....................................................................41
V.42 Error Correction Modes – &En...........................8
V.42bis Data Compression – &En..............................9
V.44 Compression Select – +DS44..........................20
V.54 Test Command – &Tn......................................27
V.8 / V.8bis Commands
+A8E – V.8 and V.8bis Operation Controls ..........40
+A8I – CI Signal Indication ...................................40
V.8 and V.8bis Operation Controls – +A8E..............40
VAL – V.25bis Response .........................................42
View Delayed Numbers – *D....................................15
View Numbers in Blacklist – *B................................15
Voice Commands
+VDR– Distinctive Ring ........................................35
+VDT– Control Tone Cadence Reporting.............35
+VGR – Voice Gain Receive (Record Gain).........31
+VGT – Voice Gain Transmit (Playback Volume).31
+VIP – Voice Initialize All Parameters ..................30