SocketModem
SocketModem Reference Guide
Contents
103
AT Commands, S- Registers and Result Codes
Introduction
AT Command Summary
Command Description
AT Commands, S-Registers and Result Codes
# Cbfr
AT Commands
Command Echo Command Mode Characters
Command Dial
Command DS=y Dial Stored Telephone Number
Command Echo Online Data Characters
Command Modulation Handshake
Command Information Request
Command Monitor Speaker Mode
Command On Return Online to Data Mode
Command Tone Dialing
Command Sr=n Set Register Value
Command Sr? Read Register Value
Command Result Code Format
Command XON/XOFF Pacing Control
Command Data Carrier Detect DCD Control
Command Data Terminal Ready DTR Control
Command Load Factory Settings
Command Asynchronous Communications Mode
Command Leased Line Operation
Command Pulse Dial Make-to-Break Ratio Selection
Command Data Set Ready DSR Control
Command Zy=x Store Dialing Command
Command Display Current Settings
Command Store Current Configuration
Command \An Select Maximum MNP Block Size
Command \Qn Flow Control Selection
Command \Kn Break Control
Command \Nn Error Correction Mode Selection
Command \Tn Inactivity Timer
Command Data Calling Tone
Command \Vn Protocol Result Code
Command \Xn XON/XOFF Pass-Through
Command Adaptive Answer Result Code Enable
Command Cisco Configuration
Command Fallback and Fall Forward Control
Command Direct Connect Enable
Command Command Speed Response
Command +VDR=x, y Distinctive Ring Report
Command $RPn Ring Priority vs. AT Command Priority
Command $SBn Serial Port Baud Rate
+VDR?
Callback Failed Attempts Reset
Command #CBAn Callback Attempts
Command #CBDn Callback Delay
Command #CBIn Local Callback Inactivity Timer
Command #Pn Set 11-bit Parity
Command #CBRy Callback Security Reset
Command #CBSn Callback Enable/Disable
Command #Sx Enter Setup Password
Command Atmtsmodemcr Remote Configuration Escape Sequence
Escape AT Commands
Command +++ATCR Escape Sequence
S13
Modulation Possible rates bps1
Commands
Command +MS= Modulation Selection
Command +PMH=n Modem on Hold Enable
Command +PCW=n Call Waiting Enable
Command +PIG=n PCM Upstream Ignore
Mod value Valid maxrate values bps
Modem Hook Flash
Command +PMHR=n Modem on Hold Initiate
Command +PMHT=n Modem on Hold Timer
Command +PQC=n Quick Connect Control
Command +VCID=n Caller ID Selection
#CBF?
Description Enters the callback security setup password
Registers
S43
S37
S38
S89
S48
S48=7 S48=128
S108
Result Codes
Terse Verbose Description
112
Modem-to-DTE Receive Data Stream
Fax I/O Processing
DTE-to-Modem Transmit Data Stream
Characters Detected Action Taken
Fax Answering
Fax Mode Selection
Fax Origination
Fax Control Transmission
Fax Control Reception
Fax Data Transmission
Fax Data Reception
Mode Commands
Commands and Parameters
Mode Entry Commands
Transmit Facsimile
Command
Mod Modulation Training Modulation Mode and Rate
Fax Class 1 and Fax Class 1.0 Modulation Modes and Rates
Command +FRM Receive Facsimile
Command FTH Transmit Data with Hdlc Framing
Command +FRH Receive Data with Hdlc Framing
Command +FCL Carrier Loss Timeout
Service Class 1 Commands
Command +FAR Adaptive Reception Control
+FIT
DTE Inactivity Timeout
+FDD
Command +FMM? Request Model Identification
Command +FPR Fixed DTE Rate
Command +FMI? Request Manufacturer Identification
Command +FMR? Request Revision Identification
Command +FLO Flow Control
Examples
Fax Class 1 Calling Sequence Transmitting a Single
Fax Class 1 Answering Sequence Receiving a Single
Send FCS Accept FCS Final frame
Fax Class 2 and 2.0/2.1 Commands
AT Command Implementation
+FCLASS=2.1
AT Command Mode
Modes of Interaction
+Fparameternamevalue
Command Execution Mode
Data Transfer Mode
Page
Fax Parameter DLE Character to Precede Image Data
For example AT+FCLASS=2
Commands and Responses Overview
Action Commands
Depends on the capability to receive set by +FCR
Modem Responses
Class Response description
Parameters for Mandatory Services
Class Mandatory parameter description
Parameters for Optional Services
Class Optional parameter description
Service Class Capabilities
Identification Commands
Service Class Indication
+FCLASS?
Request Model Identification
Service Class Selection
Request Manufacturer Identification
Request Revision Identification
Answer a Call
Action Commands
Originate a Call
ATD
+FDT
Data Transmission
Post-Page Message Release
Class +FET=n
Initialize Facsimile Parameters
Data Reception
Session Termination
+FCO
Phase a Negotiation Responses
Modem Responses
+FCON
+FDCS, +FDIS +FDTC
Phase B Negotiation Responses
Class +FCS, +FIS, +FTC
+FPO
Class +FNF, +FNS, +FNC
Class +FTI, +FCI, +FPI
+FTSI, +FCSI, +FCIG
+FNSF, +FNSS, +FNSC
+FSASUB string
Report Addressing or Password Strings
Class +FSA, +FPA, +FPW
+FPASEP string
+FPTS
Phase C Page Reception Responses
+FPS
+FET
Phase D Post Page Responses
Call Termination with Status
+FHS
Hang-up Status Codes
Class Cause
C0-DF
+FCC=
Parameter Commands
Session Parameters
+FDCC=
+FCS?
+FIS=
+FDIS=
+FDCS?
Session Subparameters
CRLF0-1,0-3,0-4,0-2,0,0,0,0-7,0CRLF
T.30 Session Subparameter Codes
Label Function Class 2.0/2.1 Description
Function Class 2.0/2.1 Description
+FPI
+FLI
+FLID
+FCIG
+FLPL
+FNS
+FLP
+FSP
+FBUG
+FCR
+FBU
Capability to Receive
Negotiation Reporting
+FNR
+FAP
Address & Polling Capabilities
+ FSA = destination Subaddress string
+ FPW = Password string
Addressing & Polling Frames
+ FPA = selective Polling Address string
Procedure Control Parameters
Transfer Status
+FCQ
Copy Quality Checking
+FBADLIN
+FRQ
+FBADMUL
Receive Quality Thresholds
+FAA
Host Phase C Response Timeout, +FCT
+FPHCTO, Host Phase C Response Time-out
Adaptive Answer
Class 2.0/2.1 +FMS
Class 2.0/2.1 not supported
+FAXERR
+FMINSP
+FBOR
Phase C Data Format Parameters
Class 2.0/2.1 +FBO
Class 2.0/2.1 +FEA
Class 2.0/2.1
Format conversion, +FFC
Write syntax +FVRFC=value
Vertical Resolution Format Conversion +FVRFC
Class 2.0/2.1 Not Applicable
Data Compression Format Conversion, +FDFFC
FWDFC=0
Fax Flow Control, +FLO
Width Format Conversion, +FWDFC
FWDFC=1
Set Current Time and Date, AT+FTD
Header Generation, AT+FPH
Miscellaneous Parameters
Buffer Size, +FBS Class 2.1 only
Report Received Hdlc Frames, +FHR
Session Message Report Responses
Report Transmit Hdlc Frames, +FHT
Syntax +FHTtransmitted Hdlc frame octets
Send two pages, 1-D data, no errors Class
Sample Modem Control Sessions
Receive two pages, 1-D data, no errors Class
AT+FCLASS=2.0
Ring
Host Modem Local Modem Remote Station Commands
AT+FCLASS=2.1
Alphabetic List of Commands and Responses
100
101
Ascii Conversion Chart
102
Voice Commands
103
Voice S-Register Summary
Voice Commands
Commands That Change for Voice Mode Support
Command +FCLASS= mode Enter Select Modem Operating Mode
Voice +V Commands Summary
Voice +V Commands Detail
AT+FCLASS=8
Command +FCLASS=8 Dtmf Detect Detect and Control Dtmf
Touch Tone Signals Digit Low frequency High frequency
¾R is Ring
Command +FMM?Enter Report Product ID
Command +VNH=hookEnter Automatic Hang-Up Control
Command +FMI?Enter Report Manufacturers ID
Command +FMR?Enter Report Version Level
Enter Voice Receive State
108
109
Command +VTS=? Report Frequency Support
AT+VTS=?
Start Voice Transmission Process
Command +VGR=gain Set the Gain for Received Voice Samples
Command +VIT=timer Set DTE/DCE Inactivity Timer
110
111
Command +VLS=label Select Analog Source/Destination
Code Description
AT+VLS=?
Command +VRA=interval Set Ring Back Goes Away Timer
Command +VRN=interval Set Ring Back Never Appeared Timer
112
Command +VSD=sds,sdi Set Silence Detection Sensitivity
113
Command +VSM=cml,vsr,scs,sel Select Voice Compression Method
114
Identifier Description
Command +VSM=? Report Voice Compression Method
AT+VSM=?
Lsltcq
Enable report Description
116
117
Command +VDT=enable,report Control Tone Cadence Reporting
Command +VEM=mask Event Reporting and Masking
118
119
Interface Configuration Commands
AT+VBT=?
120
Terse Verbose
Voice Mode Result Codes
Flow Control
Busy Dialtone
Tag Description
Unsolicited Voice Mode Result Codes
Valid Complex Event Report Tags
122
123
Voice Mode Shielded Codes
Shielded Code Hex Event Report Description
Ascii
124
Sample Rate Selection and Suggested Compression Method
Command Response
Sample Sessions
125
126
127
DTE/DCE Interface Rates
128
Setup
Remote Configuration
Basic Procedure
129
Using AT Commands
Country Code Configuration
Using the Global Wizard Utility
Country AT Command Result Code Hexadecimal Decimal
Index
131
Callback Attempts command #CBA
132
133
+FSA
134
+FTH Transmit Data with Hdlc Framing
Parity, setting
135
Procedure Control Parameters
136