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Chapter 1 – AT Commands, S-Registers and Result Codes

Multi-Tech Systems, Inc. SocketModem MT5600SMI/MT5656SMI Reference Guide (S000306C)

30

Error Control Commands

Command:

+ES

Error Control and Synchronous Mode Selection

Description:

This

extended-format

command specifies the initial requested mode of

operation when the modem is operating as the originator. Optionally
specifies the acceptable fallback mode of operation when the modem is
operating as the originator; optionally specifies the acceptable fallback
mode of operation when the modem is operating as the answerer. Accepts
three numeric subparameters.

Default:

Varies

by

request

Defined Values:

<orig_rqst>

Decimal number specifies the initial requested mode of operation when the
modem is operating as the originator. The options are:
+ES0   Initiate call with Direct Mode.
+ES1   Initiate call with Normal Mode (referred to as Buffered Mode) only.
+ES2   Initiate V.42 without Detection Phase. If V.8 is in use, disable V.42

Detection Phase.

+ES3 Initiate V.42 with Detection Phase.

(Default.)

+ES4 Initiate MNP.
+ES6 Initiate V.80 Synchronous Access Mode when connection is

completed and Data State is entered. (See +ESA and +ITF.)

+ES7 Initiate Frame Tunneling Mode when connection is complete and

Data Mode is entered.

<orig_fbk>

Decimal number specifies the acceptable fallback mode of operation when
the modem is operating as the originator.
+ES0 LAPM, MNP, or Normal Mode error control optional.

(Default.)

+ES1 LAPM, MNP, or Direct Mode error control optional.
+ES2 LAPM or MNP error control required; disconnect if error control is

not established.

+ES3 LAPM error control required; disconnect if error control is not

established.

+ES4 MNP error control required; disconnect if error control is not

established.

<ans_fbk>

Decimal number specifies the acceptable fallback mode of operation when
the modem is operating as the answerer or specifies V.80 Synchronous
Access Mode.
+ES0   Direct Mode.
+ES1   Error control disabled, use Normal Mode.
+ES2   LAPM, MNP, or Normal Mode error control optional. (Default.)
+ES3   LAPM, MNP, or Direct Mode error control optional.
+ES4   LAPM or MNP error control required; disconnect if error control is

not established.

+ES5 LAPM error control required; disconnect if error control is not

established.

+ES6 MNP error control required; disconnect if error control is not

established.

+ES8 Initiate V.80 Synchronous Access Mode when connection is

completed and Data State is entered (see +ESA and +ITF).

+ES9 Initiate Frame Tunneling Mode when connection is complete and

Data Mode is entered.

Examples:

+ES=6

Enable V.80 Synchronous Access Mode originator.

+ES=6

Enable V.80 Synchronous Access Mode originator.

+ES=,,8

Enable V.80 Synchronous Access Mode answerer.

+ES=6,,8

Enable

V.80

Synchronous Access Mode.

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Содержание SocketModem MT5600SMI

Страница 1: ...SocketModem SocketModem MT5600SMI SocketModem MT5656SMI AT Commands Fax Commands Voice Commands Reference Guide...

Страница 2: ...arified the default for Command B and S Register S27 bit 6 Patents This device covered by one or more of the following patents 6 219 708 6 031 867 6 012 113 6 009 082 5 905 794 5 864 560 5 815 567 5 8...

Страница 3: ...63 Fax Origination 63 Fax Answering 63 Fax Control Transmission 63 Fax Control Reception 64 Fax Data Transmission 65 Fax Data Reception 65 Commands and Parameters 66 Mode Entry Commands 66 Mode Comma...

Страница 4: ...toanswer on or off The format for entering an AT command is ATXn where X is the command and n is the specific value for the command sometimes called the command parameter The value is always a number...

Страница 5: ...ta Mode Default FCLASS 1 Select Facsimile Class 1 Mode FCLASS 1 0 Select Facsimile Class 1 0 Mode FCLASS 2 Fax Service Class 2 FCLASS 2 0 Fax Service Class 2 0 FCLASS 2 1 Fax Service Class 2 1 FCLASS...

Страница 6: ...t attempt a LAPM connection and then an MNP connection Failure to make a reliable connection results in the modem hanging up Forces Q5 S36 4 and S48 7 N3 Selects auto reliable mode This operates the s...

Страница 7: ...orted to the modem in response to a GCAP command Example Responses GCAP FCLASS MS ES DS for a data modem that supports all capabilities listed Where MS M commands Modulation Control MS and MR commands...

Страница 8: ...in NVRAM as denoted by the parameter value This command will yield an ERROR message if the NVRAM is not installed or is not operational as detected by the NVRAM test The current configuration is compr...

Страница 9: ...d the uploader FLM If the user wishes to download existing firmware from the modem he should load the downloader FLM In either case the data transfer is done via an ASCII transfer The FLM contains the...

Страница 10: ...3 DTE timeout Displayed if the DTE has stopped the XMODEM transfer process before it is finished If this occurs the user should restart at step 5 Code doesn t match Hardware Displayed if the user is...

Страница 11: ...des to the DTE The parameter if valid is written to S14 bit 3 Default 1 Defined Values V0 Enables short form terse result codes Line feed is not issued before a short form result code V1 Enables long...

Страница 12: ...ely X1 Disables reporting of busy tones unless forced otherwise by country requirements send only OK CONNECT RING NO CARRIER ERROR NO ANSWER and CONNECT XXXX XXXX rate Blind dialing enabled disabled b...

Страница 13: ...ent Q setting as follows Q0 Q1 Q5 Q6 DTR drop is interpreted by the modem as if the asynchronous escape sequence had been entered The modem returns to asynchronous Command State without disconnecting...

Страница 14: ...carrier has been lost Result Codes OK Otherwise ERROR Command IPR Fixed DTE Data Terminal Equipment Rate Description This numeric extended format parameter specifies the data rate at which the modem...

Страница 15: ...data IFC2 CTS RTS Report Commands IFC Reports the current or selected values Response IFC modem_by_DTE DTE_by_modem Example IFC 2 2 For the defaults IFC Reports the supported range of parameter value...

Страница 16: ...lowing this stage Dial Modifiers The valid dial string parameters are described below Punctuation characters may be used for clarity with parentheses hyphen and spaces being ignored Defined Values Cha...

Страница 17: ...tered on subsequent command lines The modem will enter call progress only after an additional dial command is issued without the terminator Use H to abort the dial in progress and go back on hook Togg...

Страница 18: ...and may not be available for some countries due to PTT restrictions Default None Defined Values H0 The modem will release the line if the modem is currently on line and will terminate any test AT T th...

Страница 19: ...on during answering Result Codes OK Otherwise ERROR Command G Select Guard Tone Description Causes the modem to generate the guard tone selected by this command DPSK modulation modes only The paramet...

Страница 20: ...de OK Example AT V ACTIVE PROFILE B1 E1 L1 M1 N0 QO T V1 W0 X4 Y0 C1 D2 G0 J0 K3 Q5 R1 S0 T5 X0 S00 000 S01 000 S02 043 S03 013 S04 010 S05 008 S06 002 S07 050 S08 002 S09 006 S10 014 S11 095 S12 050...

Страница 21: ...cal Rtrn Count 00 Remote Rtrn Count 00 Flex 9481814347C4 RBS Pattern Shows which bits are being robbed in the least significant 6 bytes e g 03 indicates 2 robbed bits in bit positions 0 and 1 Digital...

Страница 22: ...ation K56 for 56K modulation V34 for V 34 modulation V32 for V 32 or V 32bis modulation Note Modulation is omitted for all other modulations Protocol NONE for no protocol ALT for Microcom Network Prot...

Страница 23: ...urn with the message LINE IN USE When off hook and either an extension is picked up or a line reversal is detected the modem will drop the connection The disconnect reason in register S86 25 this is a...

Страница 24: ...to the telephone line so the user hears the dial tone Remote Hang up Enabled by AT STE 4 AT STE 5 AT STE 6 or AT STE 7 Case 1 Modem off hook Remote Hang up If the modem is connected off hook and the...

Страница 25: ...dically use the line while giving the voice user the highest priority A common use for these features would be an automated system that needs to periodically use the line while giving the voice user t...

Страница 26: ...000 46667 45333 44000 42667 41333 40000 38667 37333 36000 34667 33333 32000 30667 29333 28000 V 92 upstream V92 48000 46667 45333 44000 42667 41333 40000 38667 37333 36000 34667 33333 32000 30667 2933...

Страница 27: ...t min_tx_rate and highest max_tx_rate rate supported by the selected carrier Report Commands MS Reports current rates Response MS carrier automode min_tx_rate max_tx_rate min_rx_rate max_rx_rate Note...

Страница 28: ...MR 0 and is set to a 1 for MR 1 or MR 2 The more recent setting of MR or S95 bit 2 and the W command setting determines modulation result code reporting see S95 Parameter and W Command Default 0 Defin...

Страница 29: ...tablished Speeds attempted during fallback fall forward are those shown to be available in the rate sequences exchanged during the initial connection Fallback fall forward is available in error correc...

Страница 30: ...Decimal number specifies the acceptable fallback mode of operation when the modem is operating as the originator ES0 LAPM MNP or Normal Mode error control optional Default ES1 LAPM MNP or Direct Mode...

Страница 31: ...er 0 specifying that any transmitted V 42 L SIGNAL will not indicate break signal length default_length Decimal number 0 specifying that break is not delivered to the DTE Report Commands EB Reports cu...

Страница 32: ...esult code transmitted Report Commands ER Reports Current or Selected Values Response ER current value Example ER 0 for the default setting ER Reporting Supported Range of Parameter Values Response ER...

Страница 33: ...s Current or Selected Values Response ETBM pending_TD pending_RD timer Example ETBM 0 0 0 ETBM Reports Supported Range of Parameter Values Response ETBM pending_TD range pending_RD range timer range E...

Страница 34: ...mmands during a data connection and the B is received in order to send a break to the remote modem K0 Clear data buffers and send break to remote modem K1 Same as 0 K2 Send break to remote modem immed...

Страница 35: ...smitted max_string Specifies the maximum string length 32 bytes to be negotiated V 42bis P2 Report Commands DS Reports Current or Selected Values Response DS direction compr_neg max_dict max_string Ex...

Страница 36: ...t specifies the maximum size of the history buffer to be negotiated in the transmit direction Default 4096 max_history_rx Decimal number 2048 to 4096 that specifies the maximum size of the history buf...

Страница 37: ...is transmitted at the point after error control negotiation handshaking at which the modem has determined which data compression technique will be used if any and the direction of operation The DR int...

Страница 38: ...uring modem controlled V 8 origination negotiation 1 Enable DCE controlled V 8 origination negotiation without A8x indications Default 6 Enable DCE controlled V 8 origination negotiation with A8x indi...

Страница 39: ...Description This indication is issued by an answering modem if A8E v8a 0 to indicate detection of a V 8 CI signal and report the recovered Call Function octet s Defined Values v8cf A hexadecimal code...

Страница 40: ...ies modem carrier detection and training Modem to modem protocols e g V 42 V 42bis 3 Data Transfer Bit error rates for each direction Rate renegotiation Retraining 4 Call Termination protocol disconne...

Страница 41: ...8 callCleared codes are described in Table 5 12 Table 1 4 AT UD Last Call Status Report Format Key Value s Definition 0 2 digits Diagnostic Command Specification revision number digit digit 1 Table 1...

Страница 42: ...modem e g V 253 operating in voice mode e g FCLASS 8 0 7 Data Answering signal detected e g V 25 ANS V 8 ANSam 8 Data Calling signal detected e g V 25 CT V 8 CI 9 Fax Answering signal detected e g T 3...

Страница 43: ...eeded 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...

Страница 44: ...ial transmit rate is 31200 bit s DIAG 2A4D3263 21 D 25 1F40 27 DAC0 Receiver V 90 training completed V 90 symbol rate 8000 initial receive rate is 56000 bit s DIAG 2A4D3263 30 00 31 03 32 01 33 01 No...

Страница 45: ...s L0 Requests dial up operation Dial up operation continues Result Codes OK ERROR Command M Enable Cellular Power Level Adjustment Description This command is included for compatibility only and has n...

Страница 46: ...escription Allows configuring of the client modem to connect to a central site modem that supports non standard V 22 and V 22 bis FastConnect protocols Specifies the initial requested mode of operatio...

Страница 47: ...ected Value s Response PCW value Example PCW 0 For the default setting PCW Reports Supported Range of Parameter Values Response PCW value range Example PCW 0 1 2 Command PMH Modem on Hold Enable Descr...

Страница 48: ...timeout Granted PMHR6 MOH with 2 minute timeout Granted PMHR7 MOH with 3 minute timeout Granted PMHR8 MOH with 4 minute timeout Granted PMHR9 MOH with 6 minute timeout Granted PMHR10 MOH with 8 minute...

Страница 49: ...tion Causes the modem to initiate the flash hook sequence when in the modem on hold procedure This enables switching to the second call incoming or outgoing This command applies only to V 92 modem on...

Страница 50: ...range Example PSS 0 1 2 Command QCPC Force Full Startup Procedure on Next Connection Description Causes the modem to use full startup procedures on the next connection attempt regardless of the setti...

Страница 51: ...s enabled the modem echoes back to the local DTE the Backspace character an ASCII space character and a second Backspace character this means a total of three characters are transmitted each time the...

Страница 52: ...5 95 DTMF Tone Duration 1 For US models S11 sets the duration of tones in DTMF dialing has no effect on pulse dialing 2 For W class models S11 is a country parameter The default is country dependent S...

Страница 53: ...3 On during handshake M3 Bits 4 6 Limit result codes Xn 0 X0 4 X1 5 X2 6 X3 7 X4 Default Bit 7 Reserved S23 0 General Bit Mapped Options Status Indicates the status of command options Bits 0 6 Not use...

Страница 54: ...ratio at 20 pulses per second P3 Bit 5 7Reserved S29 10 ms 0 255 70 Flash Dial Modifier Timer Sets the length of time in units of 10 ms that the modem will go on hook when it encounters the flash dial...

Страница 55: ...e modem is programmed to follow the signal and the disconnect operation Applicable to error correction connection only This parameter can be used to ensure that data in the modem buffer is sent before...

Страница 56: ...ntrols selection of compression The following actions are executed for the given values S46 136 Execute error correction protocol with no compression S46 138 Execute error correction protocol with com...

Страница 57: ...s disconnect reason S86 22 No connection established S86 23 Disconnect after three retrains S86 24 Call Waiting tone detected S86 25 Extension pickup detected S86 26 Remote hangup detected S91 dBm 0 1...

Страница 58: ...2 1 0 Symbol Rates baud 0 0 0 2400 only 0 0 1 2400 only no 2734 0 1 0 2400 2800 0 1 1 2400 2800 3000 1 0 0 2400 2800 3000 3200 1 0 1 2400 2800 3000 3200 3429 Default Bit 3 Enable disable V 34 asymmet...

Страница 59: ...SY 8 NO ANSWER 9 CONNECT600 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 13 CONNECT 7200 14 CONNECT 12000 15 CONNECT 14400 16 CONNECT 19200 17 CONNECT 38400 18 CONNECT 57600 19 CONNECT 115200 20 CO...

Страница 60: ...38000 154 MRR 40000 155 MRR 42000 156 MRR 44000 157 MRR 46000 158 MRR 48000 159 MRR 50000 160 MRR 52000 161 MRR 54000 162 MRR 56000 165 CONNECT 32000 166 CONNECT 34000 167 CONNECT 36000 168 CONNECT 3...

Страница 61: ...ocketModem MT5600SMI MT5656SMI Reference Guide S000306C 61 Short Form Long Form 196 MRR 29333 197 MRR 30667 198 MRR 33333 199 MRR 34667 200 MRR 37333 201 MRR 38667 202 MRR 41333 203 MRR 42667 204 MRR...

Страница 62: ...control using XON XOFF or RTS CTS is provided Unique control character strings are identified filtered or reinserted into the I O data stream These control characters and their resultant action are d...

Страница 63: ...cadence of 0 5 seconds on and 3 seconds off The modem automatically enters mode FRH 3 and sends the CONNECT message to the DTE when FSK flags are detected from the remote Fax Answering Answering of fa...

Страница 64: ...no data in the buffer the modem sends the ERROR result code to the DTE and returns to the command mode If there is data in the buffer the modem sends the next frame of buffered data to the DTE followe...

Страница 65: ...Fax data reception is initiated using the AT FRM mod command After this command is issued the modem looks for carrier in the modulation scheme specified by the parameter n If no carrier is detected be...

Страница 66: ...Command FAE Auto Answer Enable Class 1 and 1 0 Description This command enables or disables fax adaptive answer This command operates identically to the FAA command Defined Values value Decimal numbe...

Страница 67: ...the modem to transmit data using the modulation defined below When a valid mod value is entered the modem transmits the proper training sequence in the selected mode followed by constant 1 bits until...

Страница 68: ...if loss of carrier is detected OK Reported if the DTE sends any character to the modem other than XON or XOFF while operating in configured flow control from the DTE the modem then returns to the com...

Страница 69: ...nse FRH mod Example FRH 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command FRH Response FRH Example FRH 98 For V 17 9600 bps Result Codes CONNECT Reported for either of two con...

Страница 70: ...elay between initial loss of carrier and qualified loss of carrier when the modem will give up and exit a receive mode Intermediate less than FCL timeout loss of carrier should be indicated by inserti...

Страница 71: ...d Values time The time parameter indicates the DTE inactivity timeout in seconds The value of 0 indicates that timeout is disabled default The required timeout range is 1 to 255 seconds The inactivity...

Страница 72: ...00 bits s executes IPR 4800 4 9600 bits s executes IPR 9600 8 19200 bits s executes IPR 19200 10 38400 bits s executes IPR 38400 18 57400 bits s executes IPR 57400 If unspecified or set to 0 automatic...

Страница 73: ...er corresponding to the selected option 0 XON XOFF and RTS CTS flow control turned off 1 Use XON XOFF flow control in either direction 2 Use RTS for flow control of the modem by the DTE use CTS for fl...

Страница 74: ...AT FRH 3 TSI frame data DLE ETX DCS frame data DLE ETX CONNECT CONNECT OK send V 21 carrier send flags send TSI frame send FCS send flags send DCS frame send FCS flags drop carrier detect carrier dete...

Страница 75: ...detect loss of carrier drop carrier DTE did not check final frame bit and issued FRH 3 AT FTM 96 CONNECT TCF data DLE ETX OK detect carrier receive TCF detect loss of carrier wait 75 ms send V 29 carr...

Страница 76: ...s FCON Facsimile Connection Response FDCS Report Current Session FDIS Report Remote Identification FCFR Indicate Confirmation to Receive FTSI Report the Transmit Station ID FCSI Report the Called Stat...

Страница 77: ...ng of commands restricted to printable ASCII characters 032 126 Space characters ASCII 032 and control characters other than CR ASCII 013 and BS ASCII 010 in the command string are ignored The default...

Страница 78: ...bytes and provides the DC1 DC3 XON XOFF or RTS CTS method of controlling the data into the buffer This flow control is controlled by the K3 or K4 command This method of data flow control is available...

Страница 79: ...Group 3 devices negotiate session parameters in DIS DCS and DTC frames Session Status Reporting The DCE provides reports to the DTE on the status of a session The DCE provides the following status re...

Страница 80: ...the DTE FMFR Request Manufacturer Identification The FMFR command causes the DCE to send a message identifying the DCE product manufacturer The default message is CONEXANT OK FMDL Identify Product Mo...

Страница 81: ...n of the first Phase B preamble V 21 ch 2 modulated by 300 bps HDLC flags it reports the FCON message to the DTE The DCE then switches to 19200 bps The DCE generates a DCS frame based on the received...

Страница 82: ...m Initiate Page Transmission Phase B DCE polled response FCSI remote ID string if new CSI received FDIS subparameters from remote station if new DIS received FDCS T 30 subparameter string CONNECT XON...

Страница 83: ...bps V 27 ter V 27 ter 2400 only 1 4800 bps V 27 ter V 27 ter 2 7200 bps V 29 V 29 V 27 ter 3 9600 bps V 29 or V 17 V 29 V 27 ter 4 12000 bps V 33 or V 17 V 17 V 33 V 29 V 27 ter 5 14400 bps V 33 or V...

Страница 84: ...The remote facsimile station should respond to the post page message with a post page response The DCE will report this using the FPTS ppr response Syntax FET ppm pc bc fc DCE response FPTS ppr when r...

Страница 85: ...s the intentions of the remote station The DCE holds the post page response message to the remote facsimile station MCF etc represented in the FPTS parameter until the next FDR command The DTE may mod...

Страница 86: ...ill then execute an implied FK command in order to conduct an orderly disconnection Command FK Session Termination Description The FK command causes the DCE to terminate the session in an orderly mann...

Страница 87: ...e to train at 2400 bps or FMINSP value 28 RSPREC invalid response received 40 49 Transmit Phase C Hangup Codes 40 Unspecified Transmit Phase C error 43 DTE to DCE data underflow 50 69 Transmit Phase D...

Страница 88: ...ecution of FDT or FDR commands before the CONNECT result code if new DCS frames are generated or received Syntax FDCS VR BR WD LN DF EC BF ST Command FDIS Report Remote Station Capabilities Descriptio...

Страница 89: ...a ppr number representing the copy quality and related post page message responses received from the remote DCE The FPTS ppr response is generated in execution of a FET ppm command Syntax FPTS ppr Co...

Страница 90: ...mmunicated to the originator in bit 9 of the DIS frame The originating station may elect to transmit a fax and later send SIG and DTC frames to pick up the polled document The answering station would...

Страница 91: ...DCC allows the DTE to sense and constrain the capabilities of the facsimile DCE from the choices defined in CCITT T 30 Table 2 When FDCC is modified by the DTE the DCE copies FDCC into FDIS Write synt...

Страница 92: ...FDIS FDCS and FDTC session report responses use these subparameters For test response ranges of values are reported for each subparameter enclosed in parentheses characters For example a DCE response...

Страница 93: ...te Syntax FPTS ppr Valid values 1 2 3 4 5 Default value 0 Command FCQ Copy Quality Checking Description This parameter controls Copy Quality checking by a receiving facsimile DCE The DCE returns FCQ 0...

Страница 94: ...the DCE has been configured for automode detection using the MS command the DCE may try several protocols before terminating attempts to make a data mode connection This can take as long as 6 8 second...

Страница 95: ...AT dial string FCON FCSI csi FDIS dis codes OK Off hook dial Send CNG Detect flags Get CSI Get DIS Answer Send CED V 21 flags CSI DIS AT FDT 1st page data DLE ETX FDCS DCS codes CONNECT XON OK Send TS...

Страница 96: ...ect flags Get TSI Get DCS Begin TCF receive Get CED Get CSI Get DIS Send V 21 flags Send TSI Send DCS Start TCF AT FDR DC2 FCFR FDCS dcs codes CONNECT page data stream DLE ETX FPTS 1 lc FET 0 OK Accep...

Страница 97: ...etc FLO Flow Control Voice VIP Voice Initialize All Parameters VRX Start modem Receive Record VTS Voice Tone Send Send single frequency or DTMF VTX Start modem Transmit Playback VGR Voice Gain Receive...

Страница 98: ...15 Start of DTMF tone shielding 7 15 DTMF transitions to off R 5 2 Ring 1 3 1 DTMF 1 2 3 2 DTMF 2 3 3 3 DTMF 3 4 3 4 DTMF 4 5 3 5 DTMF 5 6 3 6 DTMF 6 7 3 7 DTMF 7 8 3 8 DTMF 8 9 3 9 DTMF 9 0 3 0 DTMF...

Страница 99: ...Code Code Simple Action Command Description DLE 1 0 Two contiguous DLE DLE codes indicate a single DLE in the data stream Immediate Command or Stream Command u 7 5 Action Numbers 0 and 3 Increase the...

Страница 100: ...al in other modes 1 The modem disables automatic hangups usually found in the other non Voice Modes 2 The modem disables automatic hangups in the other non Voice Modes The modem performs only a logica...

Страница 101: ...ation dur different than that given by the VTD command Missing subparameters assume the default value Unspecified values always default to zero for frequencies DTMF for DTMF tones and VTD for duration...

Страница 102: ...DTMF 2 with duration given by the VTD command 3 Play tone pair at 1000 Hz and 1300 Hz with a duration of 500 ms 4 Play tone pair at 800 Hz with duration given by the VTD command 5 Play DTMF 9 with du...

Страница 103: ...alues Command VGT Response level range Example 0 255 Result Codes OK level 0 255 ERROR Otherwise or if not in Voice Mode Command VIT Voice Inactivity Timer DTE Modem Description This command sets the...

Страница 104: ...he above form description shows just one A CR LF terminates each description line Example AT VLS 0 B0804100 B0804100 B0804100 1 T 0B8433C1 0FE431C1 0B8431C1 2 L 08800300 0CE00100 08800100 3 LT 0B8433C...

Страница 105: ...ker connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition X 14 H External Microphone and Speaker combination handset or headset connecte...

Страница 106: ...wer e g 2225 Hz Simple 27 Voice Detect Simple 29 Stuttered Dial tone Simple note 1 30 Invalid Voice Data Format Simple 31 Lost Data Detected Event Simple 32 Facsimile Answer Simple Legend This table l...

Страница 107: ...ng Reporting Supported Range of Parameter Values Command VRA Response interval range Example 0 255 255 25 5 sec Result Codes OK interval 0 255 ERROR Otherwise or if not in Voice Mode Command VRN Ringb...

Страница 108: ...27 Sets less aggressive long term silence detection independent of presence or use of silence compression 128 Sets nominal long term silence detection independent of presence or use of silence compres...

Страница 109: ...lence compression 2 4 or 8 tm Decimal number 0 reporting the time interval in units of 0 1 second between timing marks A 0 value reports that timing marks are not supported vsr range of values contain...

Страница 110: ...ubparameter report Decimal number specifying ring cadence information report when enabled by the enable subparameter 0 The modem will produce only DROF and DRON messages The modem will not produce any...

Страница 111: ...cted Values Command VDT Response enable report Example 0 0 For the default setting Reporting Supported Range of Parameter Values Command VDT Response enable range report range Example 0 0 Result Codes...

Страница 112: ...country code is then displayed see the example below To Verify the Country Code 1 Type AT GCI CR or you can type ATI5 CR Example 1 Type the command AT GCI B5 CR 2 Verify B5 was set by typing AT GCI C...

Страница 113: ...Error Control 32 ES Error Control and Synchronous Mode Selection 30 ESR Selective Reject 31 ETBM Call Termination Buffer Management 33 FCLASS Select Active Service Class 5 GCAP Request Complete Capabi...

Страница 114: ...connect profile save command QCPS 50 enable disable data compression command C 37 enable disable line quality monitor and auto retrain or fallback fall forward command E 29 error control and synchron...

Страница 115: ...eporting control command MR 28 modulation selection command MS 26 O Online command mode 4 operating mode command N 6 P PCM upstream ignore command PIG 49 Phase 1 and Phase 2 control command PQC 49 plu...

Страница 116: ...se Time 52 S91 PSTN Transmit Attenuation Level 57 S95 Extended Result Codes Control 57 Start Modem Receive Record VRX 101 Start Modem Transmit Playback VTX 102 status of command options S27 54 store c...

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