Multitech ISI9234PCIE At Commands Reference Manual Download Page 45

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Chapter 4 – Voice Commands

Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)

Voice +V Commands Detail

+FCLASS=8

Select Voice Mode

Description:

The +FCLASS=8 command selects voice mode.

+VNH

Automatic Hang-Up Control

Description:

Enables or disables automatic hang-up.

Syntax: AT+VNH=<hook>
Values: <hook>

+VNH=0

Enables automatic hang-ups as in non-Voice modes (such as
hanging up the phone when the modem does not detect a data
carrier within a given time interval).

+VNH=1

Disables automatic hang-ups in non-Voice modes.

+VNH=2

Disables automatic hang-ups in non-Voice modes. The modem
performs only a "logical" hang up (i.e., returns the OK result code).

Reports:

+VNH?

Displays current or selected values.

+VNH=?

Displays list of supported values.

Result Codes:

OK if command accepted.

ERROR if parameter is out of range.

+VIP

Initialize Voice Parameters

Description:

The +VIP command causes the modem to initialize all Voice parameters to the
factory default settings.

Syntax: AT+VIP
Values: None

+VRX

Enter Voice Receive State

Description:

Start voice reception.

Syntax: AT+VRX
Values: None
Result Codes:

ERROR if not in voice mode.

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Summary of Contents for ISI9234PCIE

Page 1: ...MultiModem SocketModem MT9234 Series AT Commands Reference Guide Downloaded from Elcodis com electronic components distributor ...

Page 2: ...de Configuration chapter Changed the syntax for GCI Added a note to the following commands that they do not with parallel USB PCI PCIe DC DT H S D EB LB RP SB P S and all Callback Security Commands G 02 04 10 FC Quick Connect has changed values and default 0 No quick connect 1 Sets quick connect speed at 1200 2 Sets quick connect speed at 2400 Default 0 Changed GCI syntax to GCI H 11 10 10 Added a...

Page 3: ... 13 Z Reset and Recall Stored Profile 13 C Data Carrier Detect DCD Control 14 D Data Terminal Ready DTR Control 14 E XON XOFF Pacing Control 14 F Restore Factory Default Configuration 14 G V 22bis Guard Tone Control 15 K Local Flow Control Selection 15 L Leased Line Operation 15 P Pulse Dial Make to Break Ratio Selection 15 Q Asynchronous Communications Mode 16 S Data Set Ready DSR 16 T Self Test ...

Page 4: ... Request 29 IFC DTE DCE Local Flow Control 29 ILRR DTE DCE Local Rate Reporting 29 IPR Fixed DTE Rate 29 ITF Transmit Flow Control Threshold 30 MR Modulation Reporting Control 30 MS Modulation Selection 30 D DTR Dialing 32 EB Asynchronous Word Length 32 FC Quick Connect 32 LB Long Break 32 LL Implements V 34 Handshake 32 MB Online BPS Speed 33 RP Ring Priority vs AT Command Priority 33 SB Serial P...

Page 5: ...49 VRA Ringback Goes Away Timer 50 VRN Ringback Timer 50 VSD Silence Detection Sensitivity 51 VSM Select Voice Compression Method 52 VTD Beep Tone Duration Timer DTMF Tone Generation Duration 53 VDR Distinctive Ring Ring Cadence Reporting 53 VEM Event Reporting and Masking 54 Interface Configuration Commands 55 VBT Set Modem Flow Control Assert and Deassert Points 55 VPP Enable or Disable Voice Mo...

Page 6: ...ff 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 If the value is zero you can omit it from the command thus AT W is equivalent to AT W0 Most commands have a default value which is the value that is set at the factory The default values are shown in the AT Command S...

Page 7: ... can be canceled if the modem receives a new command or character from the host system before the handshake begins Result Codes CONNECT if a connection is established and the extended result code parameter is equal to 0 See X value Select Result Code and Monitor Call Progress CONNECT rate if a connection is established and the extended result code parameter is not equal to 0 NO CARRIER if a connec...

Page 8: ...ds and then return to off hook Wait for quiet answer Instructs the modem to wait for 5 seconds of silence after dialing the number If silence is not detected the modem sends a NO ANSWER result code back to the user Disable data calling tone transmission Detect AT T call card bong tone The character should follow the phone number and precede the user s call card number ATDT1028806127853500 12345678...

Page 9: ...racter Echo Command Description Controller based products support this command to ensure backward compatibility with communications software that issues the F1 command Syntax ATF value Values 0 Enable online data character echo Not supported 1 Disable online data character echo included for backward compatibility Default 1 Result Codes OK if value 1 ERROR if value 1 H Hook Control Description Inst...

Page 10: ...smit Carrier Rate 28800 Initial Receive Carrier Rate 50666 Final Transmit Carrier Rate 28800 Final Receive Carrier Rate 50666 Protocol Negotiation Result LAPM Data Compression Result V44 Estimated Noise Level 46 Receive Signal Power Level dBm 18 Transmit Signal Power Level dBm 12 Round Trip Delay msec 10 Description Status Near Echo Level dBm NA Far Echo Level dBm NA Transmit Frame Count 0 Transmi...

Page 11: ... 3 and result code and call progress monitor are set to 0 X0 CONNECT rate if value 0 1 3 and the result code and call progress monitor are not set to 0 X value where n 1 to 7 NO CARRIER if the connection is not successfully resumed ERROR if value 0 1 3 P Set Pulse or Tone Dialing Default Description Configures the modem for pulse non touch tone or Tone dialing All subsequent D dial_string commands...

Page 12: ...e default setting This command does not use parameters and generates an ERROR result code when parameters are attached to the command Syntax ATT V Result Code Format Description Controller based modems generate result codes using one of two formats Verbose mode generates result codes in the familiar text formats using words Numerical mode generates result codes as a number Each result codes has a ...

Page 13: ...nded Result Codes Dial Tone Detect Busy Tone Detect 0 Disabled Disabled Disabled 1 Enabled Disabled Disabled 2 Enabled Enabled Disabled 3 Enabled Disabled Enabled 4 Enabled Enabled Enabled 5 6 Enabled Enabled Enabled 7 Disabled Enabled Enabled Default 4 Result Codes OK if value 0 to 7 ERROR if value 0 to 7 Call Progress Result Codes Command Result Codes 0 OK RING ERROR CONNECT NO CARRIER 1 OK RING...

Page 14: ...detected while in online data mode the modem enters command mode issues an OK and remains connected 2 If DTR signal is not detected while in online data mode the modem disconnects 3 Resets the modem on the on to off DTR transition Default 2 Result Codes OK if value 0 to 3 ERROR if value 0 to 3 E XON XOFF Pacing Control Description Enables or disables XON XOFF pacing Syntax AT E value Values 12 Dis...

Page 15: ...ased Line Operation Description Sets standard dial up or leased line operation Note This command does not apply to all models or build options Syntax AT L value Values 0 The modem is set for standard dial up operation 1 The modem is set for leased line operation in originate mode 2 The modem is set for leased line operation in answer mode Default 0 Note For L1 and L2 there is a 30 second window be...

Page 16: ... value 0 1 T Self Test Commands Description Use this command to perform diagnostic tests on the modem Each test is designed to isolate a problem location when experiencing periodic data loss or random errors Syntax AT T value Values 0 Terminates the test in progress 1 The T1 command runs the Local Analog Loopback Test This test verifies modem s transmitter and receiver circuits are functioning pro...

Page 17: ...T Z location stored number Values storage_location 0 to 2 for serial 0 to 1 for parallel dialing_string Dialing number Default None Result Codes OK if value 0 to 2 ERROR if value 0 to 2 Example AT Z0 5550123 Note The command to Store Dialing Location and Number for Callback Security operates differently from the normal Store Dialing Location and Number To store a Callback Security number type the ...

Page 18: ... receives a break from the DTE when it is operating in data transfer mode Values Function 0 2 4 Enter online command mode no break sent to remote modem 1 Clear data buffers and send a break to remote modem 3 Send a break to the remote modem immediately 5 Send a nondestructive nonexpedited break to remote modem 5 is the default K value Modem Is in Online Command Mode During Data Connection The mode...

Page 19: ...ion Description Use this command to set the local flow control method Syntax AT Q value Values 0 Disable flow control same as K0 1 XON XOFF software flow control same as K4 3 RTS CTS to DTE same as K3 Default 3 Result Codes OK if value 0 1 3 ERROR if value 0 1 3 T Inactivity Timer Description Use this command to specify the delay time used by the inactivity timer The delay time is the length of ti...

Page 20: ...1 which enables the modem to distinguish between a fax and a data call When these commands are enabled the modem sends DATA to the computer when it detects data tones and FAX when it detects fax tones These strings are used by some servers to select the appropriate communication program Syntax AT A value Values 0 Disables adaptive answer result codes 1 Enables adaptive answer result codes Default ...

Page 21: ... modem ignores AT commands Default 0 DT Set AT Command Mode Timer Description Sets the length of time that the command mode will be disabled when set for DC1 the modem ignores AT commands Note This command does not work with parallel USB PCI PCIe Syntax AT DT value Values 0 255 in 1 second increments Default 0 E Fallback and Fall Forward Control Description This command provides the option for the...

Page 22: ... not generated by the modem For subparameter values v8o 6 and v8a 5 the A8I indications are issued during the course of the V 8 session to notify the DTE when the relevant V 8 signals are received v8o enables or disables DCE controlled V 8 origination negotiation v8a enables or disables DCE controlled V 8 answer negotiation v8b disables V 8 negotiation or sets it to DCE controlled or DTE controlle...

Page 23: ...5 second delay between transmitted V 8 bis signal and the subsequent V 8 bis message Reporting A8T Reports current or selected values A8T Reports supported parameter values Result Codes OK if signal 0 to 10 and sig en 0 1 and msg en 0 1 and supp delay 0 1 ERROR if signal 0 to 10 or sig en 0 1 or msg en 0 1 or supp delay 0 1 DCS Select V 42bis or V 44 Data Compression Description Use this command t...

Page 24: ...ompound parameter controls the V 42bis data compression function if this function is provided in the modem Syntax AT DS direction compr_neg max_dict max_string direction Values Specifies the desired direction s of operation of the data compression function from the DTE point of view 0 Do not negotiate V 42 bis compression 3 Modem accepts V 42 bis compression in both directions Default compr_neg Va...

Page 25: ...48 Maximum number of code words in receive direction max_string_tx Values Specifies the maximum string length to be negotiated in the transmit direction 255 Default 31 255 Maximum string length in transmit direction max_string_rx Values Specifies the maximum string length to be negotiated in the receive direction 255 Default 31 255 Maximum string length in receive direction max_history_tx Values S...

Page 26: ...elected options EFCS Reports supported options ER Error Control Report Description Use this command to enable or disable the error control report Syntax AT ER value Values ER0 Error control reporting disabled no ER intermediate result code transmitted Default ER1 Error control reporting enabled ER intermediate result code transmitted Reports ER Reports current or selected options ER Reports suppor...

Page 27: ...ombination Meaning ESA 0 0 0 Disables CRC generation and checking ESA 0 1 0 Causes the DCE to generate a 16 bit CRC in the transmit direction in framed sub Mode and check the CRC in the receive direction crc_type Values 0 Disable CRC generation and checking 1 In framed submode the 16 bit CRC specified in V 42 is generated by the DCE in the transmit direction and checked by the DCE in the receive d...

Page 28: ...OK result code Syntax AT GCAP Sample Responses GCAP FCLASS MS ES DS for a data modem that supports all capabilities listed Where FCLASS Class 1 and Class 2 facsimile DCE control MS M commands Modulation Control MS and MR commands ES E commands Error Control ES EB ER EFCS ETBM DS D commands Data Compression DS and DR GCI Country of Installation Description Use this command to set the modem country ...

Page 29: ... local rate report result code If the rate report is enabled the reported rate is the current DTE DCE rate The rate report is transmitted after any modulation error control or data compression reports and before the final result code e g CONNECT Syntax AT ILRR value Values 0 Disables the local rate report Default 1 Enables the local rate report Reports ILRR Reports current or selected options ILRR...

Page 30: ...dulation and the rate have been determined and before any error control or data compression reports or the final result code e g CONNECT is transmitted Syntax AT MR value Values MR 0 Turns off the modulation report MR 1 Turns on the modulation report Reports MR Reports current or selected options MR Reports supported options Result Code OK ERROR MS Modulation Selection Description Sets the modem s...

Page 31: ...es the highest connections rate for the DCE 31200 Determined by modulation selected in carrier Default 300 56000 Value limited by modulation selected carrier max rate for each carrier V34 2400 bits s 33600 bits s in steps of 2400 bits s V32bis 4800 bits s 19200 bits s in steps of 2400 bits s V32 4800 bits s 14400 bits s in steps of 2400 bits s V22bis 2400 bits s V22 2200 bits s V23C Bell212A 1200 ...

Page 32: ...ault 0 FC Quick Connect Description Sets quick connect Syntax AT FC value Values 0 No quick connect 1 Sets quick connect speed at 1200 2 Sets quick connect speed at 2400 Default 0 LB Long Break Description Sets the length of a break sent to the DTE by the modem when received from the remote side Note This command does not work with parallel USB PCI PCIe Syntax AT LB value Values 0 255 in 10 ms inc...

Page 33: ...eset to 0 if an AT command is received This command is storable to memory 1 The ring will have priority over the AT command S1 will increment even if an AT command and ring are received together and the incoming call will be answered when S1 is equal to S0 Default Note SocketModems do not detect ring cadence of TelTone telephone line simulators as a valid ring Reports RP Displays the current value...

Page 34: ...reporting Other call progress result codes including RING are reported as normal VDR 1 0 Enables Distinctive Ring cadence reporting The RING result code is reported after the falling edge of the ring pulse i e after the DRON report Reports VDR Displays the allowed values VDR Displays the current value P Set 11 bit Parity Description Sets 11 bit parity Note This command does not work with parallel ...

Page 35: ... N A VCID Caller ID Selection Description Enables Caller ID detection and configures the reporting and presentation of the Caller ID data that is detected after the first ring The reported data includes the date and time of the call the caller s name and number and a message Set S0 2 Syntax AT VCID value Values VCID 0 Disables Caller ID VCID 1 Enables Caller ID with formatted data VCID 2 Enables C...

Page 36: ...he number of failed callback passwords since reset or power up This number can be stored to nonvolatile memory using the W command Syntax AT CBF Values N A CBFR Callback Failed Attempts Reset Description Resets the number of failed callback passwords to 0 This does not reset the number stored in nonvolatile memory Syntax AT CBFR Values N A CBI Local Callback Inactivity Timer Description Sets the t...

Page 37: ...fault 0 CBR Callback Security Reset Description Clears the password and phone number in the y memory location Syntax AT CBR value Values 0 29 Default None CBS Callback Enable Disable Description Enables or disables callback Syntax AT CBS value Values 0 Disables callback security Default 1 Enables local and remote callback security 2 Enables remote callback security only 3 Disables callback securit...

Page 38: ...dial the telephone number S7 seconds 35 65 50 Sets the time the modem waits for a carrier signal before aborting a call Also sets the wait for silence time for the dial modifier S8 seconds 0 65 2 Sets the length of a pause caused by a comma character in a dialing command S9 decimal 0 1 127 37 Sets ASCII code for remote configuration escape character S9 0 disables remote configuration S10 100 ms 1 ...

Page 39: ...ts downstream data rate where V 90 provides rates of 28 000 to 56 000 bps in increments of 1 333 bps 0 V 90 disabled 1 V 90 auto rate 2 28 000 bps 3 29 333 bps 4 30 666 bps 5 32 000 bps 6 33 333 bps 7 34 666 bps 8 36 000 bps 9 37 333 bps 10 38 666 bps 11 40 000 bps 12 41 333 bps 13 42 666 bps 14 44 000 bps 15 45 333 bps 16 46 666 bps 17 48 000 bps 18 49 333 bps 19 50 666 bps 20 52 000 bps 21 53 33...

Page 40: ...APM MNP or hang up MNP or hang up S36 5 7 LAPM MNP or async MNP or async S89 seconds 0 5 65 0 Sets the length of time in the off line command mode before the modem goes into standby mode or sleep mode A value of zero prevents standby mode a value of 1 4 sets the value to 5 Standby mode sleep mode or low power mode is controlled by S89 It programs the number of seconds of inactivity before the mode...

Page 41: ...d at 300 bps 55 CONNECT 21600 Connected at 21600 bps 56 CONNECT 24000 Connected at 24000 bps 57 CONNECT 26400 Connected at 26400 bps 58 CONNECT 28800 Connected at 28800 bps 59 CONNECT 31200 Connected at 31200 bps 60 CONNECT 33600 Connected at 33600 bps 70 CONNECT 32000 Connected at 32000 bps 71 CONNECT 34000 Connected at 34000 bps 72 CONNECT 36000 Connected at 36000 bps 73 CONNECT 38000 Connected ...

Page 42: ... CONNECT 49333 Connected at 49333 bps 112 CONNECT 50666 Connected at 50666 bps 113 CONNECT 53333 Connected at 53333 bps 114 CONNECT 54666 Connected at 54666 bps 115 CONNECT 25333 Connected at 25333 bps 116 CONNECT 26666 Connected at 26666 bps When the extended result code configuration is enabled one of the following codes is appended to the result code depending on the type of error control conne...

Page 43: ...transmit state digitized half duplex voice data transfers from PC to modem Voice receive state digitized half duplex voice data transfers from modem to PC The modem supports three levels of voice service Service Levels A B and C Service Level A provides the lowest level of services Service level A performs operations and detects events as follows Voice transmit Voice receive and DTMF generation an...

Page 44: ...V Voice enhancements are implemented with AT V for Voice commands as well as changes to several existing commands In general the modem does not accept Data mode FCLASS 0 commands or Fax mode FCLASS 1 1 0 2 2 0 2 1 commands when in Voice mode FCLASS 8 Commands That Change for Voice Mode Support Command Description D Causes the modem to Dial assuming VLS 2 if VLS 0 when the ATD command was entered H...

Page 45: ...1 Disables automatic hang ups in non Voice modes VNH 2 Disables automatic hang ups in non Voice modes The modem performs only a logical hang up i e returns the OK result code Reports VNH Displays current or selected values VNH Displays list of supported values Result Codes OK if command accepted ERROR if parameter is out of range VIP Initialize Voice Parameters Description The VIP command causes t...

Page 46: ...r duration The omission of commas and associated subparameters is valid Result Codes OK if the PC accepts the command ERROR if the modem encountered an error in parsing the subparameter or if the selected frequency is out of range Example Using the VTS command for tone generation without using any null elements AT VTS 1 2 1000 1300 50 6 800 1300 50 9 The above string will perform as follows 1 Play...

Page 47: ...an 128 indicate a gain smaller than nominal The modem may limit the receive gain to a narrower range such as from 120 to 136 or from 120 to 128 The value 0 is reserved for modem automatic gain control AGC Syntax VGR gain Values 0 255 Selects automatic gain control Default is 128 Result Codes OK if gain 0 ERROR if gain is not 0 or if not in voice mode Reports VGR Displays current or selected values...

Page 48: ... unaware software to recover control of the modem in the event of catastrophic failure that does not result in a modem power down It is recommended that the PC software leave the modem in autobauding and Data mode and use the Inactivity Timer only as needed Leaving the modem in autobauding is an extra measure to prevent confusion from voice unaware software accessing the modem in Voice mode at a f...

Page 49: ...ophone connected to modem Modem is on hook Local phone connected to Telco 7 MST Internal microphone and internal speaker connected to Telco Squelching active Modem is off hook and connected to Telco Local phone provided with power to detect hook condition Codes L Local Phone T Telephone Line M Internal Microphone M1 External Microphone S Internal Speaker S1 External Speaker H External Microphone a...

Page 50: ...e supported values VRN Ringback Timer Description Sets the length of time that the modem will wait for ringback If the modem does not detect a ringback within the time period interval the modem assumes that the remote device has going off hook and returns the OK result code The modem only uses this command in call origination transactions A VRN setting greater than the S Register S7 setting means ...

Page 51: ...ilence detection in which case the modem will not report the Presumed End of Message Quiet or Presumed Hang Up Silence event reports Syntax AT VSD sds sdi Values sds A decimal number corresponding to the selected parameter 0 Use VSM silence compression setting and algorithm for long term silence detection if VSM is in use OR Use default long term setting silence detection level and algorithm if VS...

Page 52: ...ng apply 1 the any parameter entered is out of range or 2 any of the four parameters are missing from the command string If an error occurs the modem retains the previous sds and sdi parameter values Reports VSM Displays current or selected values Reports cml vsr Example 1 8000 0 0 The default is 129 16 BIT LINEAR 8000 VSM The VSM command reports several compression method identifiers in one of tw...

Page 53: ...cter is optional The modem may produce a Ring event code after the DRON message if enabled by the report parameter The report parameter should be set to a value larger than the expected off times within a single pattern so that the Ring event reports are issued only during the off times between the complex patterns Syntax AT VDR enable report Values enable A decimal number corresponding to the sel...

Page 54: ...tection of an event may not be possible at all times and for all compression methods Use the VLS command to ask which times and for which compression methods as well as for which analog source destination selections events can be detected and reported when not disabled by the VEM command Syntax AT VEM mask Values bits 0 32 on i e FFFFFFFF8 Example In the lines below only the RING and the DTMF even...

Page 55: ...mount of skid in the modem s voice buffer where skid is the amount of octets that the modem could accept before losing data after the modem asserts an off flow control signal to the PC You can use the VBT command to balance performance versus robustness For example if the PC knows there are only 16450 UARTs present a small skid is probably sufficient If there are 16550 UARTs present a larger skid ...

Page 56: ...final result code the connection may fail The Packet protocol permits recovery from such data loss Syntax AT VPP enable Values 0 1 2 255 reserved for future standards Result Codes OK if the modem accepts the command ERROR if the enable value is out of range VPR Select DTE DCE Interface Rate Turn Off Autobaud Description The VPR command causes the modem to select between various fixed modem to PC i...

Page 57: ...inging 3 RING 4 DTMF Received 5 Receive Buffer Overrun 6 Facsimile Calling e g 1100 Hz 7 Data Calling e g 1300 Hz 8 Local Phone On Off Hook 9 Presumed Hang Up SILENCE Time out 10 Presumed End of Message QUIET Time out 11 SIT Tone CO Standard Information Tones sent to pay phones 12 Bong Tone Calling Card Tone 13 Loop Current Interruption 14 Loop Current Polarity Reversal 15 Call Waiting Beep Interr...

Page 58: ...or O ASCII 4F hex The P indicates that the calling number information is not available since the originating caller has requested Private service The O indicates that the calling number information is not available since the caller is outside of the area code NAME The caller s name in the format NAME Listing Name MESG Indicates a data item not listed above in Multiple Message Format MESG Data Tag ...

Page 59: ...acket Protocol F 46 Data stream shielded ACK code used for the Packet Protocol U 55 Data stream shielded NAK code used for the Packet Protocol G 47 Data stream shielded ENQ code used for the Packet Protocol T 54 Timing Mark X 58 Packet Header for the Complex Event Detection Report additional event data transfers to the DTE 2E Packet Terminator for the Complex Event Detection Report additional even...

Page 60: ...mber 24 Line voltage increase extension phone goes on hook P 50 Event Number 24 Line voltage increase extension phone goes off hook a 61 Event Number 25 Facsimile or Data Answer f 66 Event Number 26 Data Answer V 56 Event Number 27 Voice Detection A high confidence of voice v 76 Event Number 27 Voice Detection A low confidence of voice i 69 Event Number 29 Stuttered Dial tone E 45 Event Number 30 ...

Page 61: ... rate and the 8 bits per sample rate Projected DTE DCE Interface Rates for 7 2 8K Hz Sample Rates Bits per Sample Projected DTE DCE I F Rate 7 2K Hz Projected DTE DCE I F Rate 8K Hz 0 5 4800 9600 1 9600 19200 2 19200 19200 3 38400 38400 4 38400 57600 5 57600 57600 6 57600 115200 7 115200 115200 8 115200 115200 9 115200 115200 10 115200 115200 11 115200 115200 12 115200 Fast 13 Fast Fast Downloaded...

Page 62: ...rect code has been configured issue the following command ATI9 The country region code is then displayed in decimal format The following is an example of country region AT commands and result codes Country Region AT Command Hexadecimal Result Code Decimal Euro NAM At T19 0 34 default 52 Australia At T19 0 01 1 Czech Republic At T19 0 25 37 Japan At T19 0 10 16 New Zealand At T19 0 9 9 Countries Re...

Page 63: ...gnal and or Message 23 DCS Select V 42bis or V 44 Data Compression 23 DR V 44 Data Compression Reporting 24 DS V 42bis Data Compression 24 DS44 V 44 Data Compression 25 EB Break Handling in Error Control 26 EFCS 32 bit Frame Check Sequence 26 ER Error Control Report 26 ES Error Control Selection 27 ESA Set Up Error Control Parameters 27 ETBM Call Termination Buffer Management 27 FCLASS Fax Class I...

Page 64: ...C 20 Data Carrier Detect C 14 Data Compression Control C 21 Data mode 6 Data Set Ready Control S 16 Dial D 8 Dialing tones S11 38 Distinctive Ring Ring Cadence Reporting VDR 53 Distinctive Ring Report VDR 34 Downstream Data Rate S38 39 DTE DCE Interface Rate Turn Off Autobaud VPR 56 DTE DCE Interface Rates 61 DTE DCE Local Flow Control IFC 29 DTE DCE Local Rate Reporting ILRR 29 DTR Control D 14 D...

Page 65: ...er DT 21 Set Callback Security Direct Connect Enable H 21 Set Register Value Sr 12 Set Sleep Mode S24 38 Set the Volume for Transmitted Voice Samples VGT 47 Set Up Error Control Parameters ESA 27 Silence Detection Sensitivity VSD 51 sleep mode S89 40 Speed Maximum S37 39 Sr Set Register Value 12 S registers S2 Escape Sequence 38 S Registers 38 S0 Sets Number of Rings 38 S1 Counts Rings 38 S10 Carr...

Page 66: ...Voice Mode Result Codes 57 Voice Mode Shielded Codes 59 W W Result Code Options 12 Wait time for dial tone S6 38 X X Select Result Code Call Monitor Progress 13 X XON XOFF Pass Through 20 XON XOFF Pacing Control E 14 XON XOFF Pass Through X 20 Z Z Reset and Recall Stored Profile 13 Downloaded from Elcodis com electronic components distributor ...

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