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AT Command Reference Manual

1048

7-1

7. VOICE/AUDIO COMMANDS

The modem is configured into Voice Mode (modem models not supporting business audio) or Voice/Audio Mode (modem
models supporting business audio) in response to the AT #CLS=8 command, and this mode is composed of the Voice and
Audio sub-configurations as described in this section. Additional voice/audio AT commands are available to support selection
of operational parameters from both inside and outside the Voice/Audio Mode.

a)

Voice Sub-Configuration. Enhanced Adaptive Differential Pulse Code Modulation (ADPCM) coding and decoding of
analog voice is accomplished with a 7.2 kHz sampling rate and 2 or 4 bits/sample quantization, and supports efficient
compression and decompression of digitized voice. Additionally, the Voice Configuration supports concurrent tone
generation/detection capabilities.

b)

Audio Sub-Configuration (Available Only for Modem Models Supporting Business Audio). Linear PCM coding
and decoding of analog audio is accomplished with 7.2 kHz or 11.025 kHz sampling rates and 8 bits/sample
quantization, and supports superior sound quality as compared to ADPCM. With a sampling rate of 7.2 kHz, the Audio
Sub-configuration supports concurrent tone generation/detection capabilities. With a sampling rate of 7.2 kHz or 11.025
kHz, this sub-configuration can be used to record and playback monophonic data in 8-bit unsigned linear PCM format.

Note:

The term "voice" is used to refer to both voice and audio functions, except where otherwise noted.

The Voice/Audio Mode (i.e., either sub-configuration) supports three submodes once a voice connection has been
established (refer to the descriptions of the #CLS command): Online Voice Command Mode, Voice Receive Mode, and
Voice Transmit Mode. Determination of whether operation takes place in the Voice sub-configuration or the Audio sub-
configuration is made by use of the #VBS and #VSR commands (refer to the descriptions of these commands).

7.1 VOICE/AUDIO SUBMODES

7.1.1  Online Voice Command Mode

Online Voice Command Mode is the default Voice submode entered when the #CLS=8 command is issued, and may also be
entered from Voice Receive Mode or Voice Transmit Mode. Entry into Online Voice Command Mode is indicated to the DTE
via the VCON message, after which AT commands can be entered without aborting the telephone line connection.

If the modem is the answerer, it enters Online Voice Command Mode immediately after going off-hook, and can report
instances of DTMF tones and calling tones to the DTE. If the modem is the originator, it enters Online Voice Command
Mode based on detection of the ringback cadence going away, upon expiration of the ringback never came timer, or upon
detection of answer tone, and the modem can report DTMF tones, answer tones, busy tone, and dial tone to the DTE. (Note
that DTMF tone reporting is supported in this mode if DTMF reporting is enabled via the #VTD command.)

When this mode is entered as a result of going off-hook with the D or A command, VCON is always sent to the DTE, after
which the modem accepts commands. If this mode is entered from Voice Transmit Mode, the DTE has issued the
<DLE><ETX>, and the modem responds with VCON. If this mode is entered from the Voice Receive Mode because of a key
abort, the modem issues the <DLE><ETX> followed by VCON.

If the #VLS command has switched in a handset or other device in place of the telephone line, Online Voice Command Mode
is immediately entered, whereas if the telephone line is selected, a physical connection with another station must occur
before entering this mode.

7.1.2  Voice Receive Mode

Voice Receive Mode is entered when the DTE issues the #VRX command in order to receive voice data. This typically
occurs when either recording a greeting message, or when recording voice messages from a remote station.

In Voice Receive Mode, voice samples from the modem analog-to-digital converter (ADC) are sent either to the ADPCM
codec for compression, or to the PCM coder for linear PCM coding, and can then be read by the host. AT commands control
the voice sampling rate as well as codec bits-per-sample rates, and can also be used to select adjustment of the silence
detection period and sensitivity level when ADPCM compression is selected.

Содержание RCV144ACx

Страница 1: ...AT Commands for RCV56ACx RCV336ACx RCV288ACx and RCV144ACx Modems Reference Manual Preliminary Order No 1048 Rev 4 February 20 1997...

Страница 2: ...is granted by implication or otherwise under any patent rights of Rockwell International other than for circuitry embodied in Rockwell products Rockwell International reserves the right to change cir...

Страница 3: ...amilies Order No 1048 Rev 3 January 9 1996 2 Addendum 1 to AT Commands for RC288ACx and RC144ACx Modem Families Order No 1048R3A1 Rev 1 August 2 1996 This revision incorporates Addendum 1 to AT Comman...

Страница 4: ...AT Command Reference Manual iv 1048 This page is intentionally blank...

Страница 5: ...Sequence 3 1 3 2 AT COMMAND SET 3 2 3 2 1 AT Commands 3 2 A Re execute Command 3 2 AT x Write to Selected S Register 3 2 AT Read Selected S Register 3 2 A Answer 3 2 Bn CCITT or Bell 3 2 Cn Carrier C...

Страница 6: ...perating Mode 3 24 Vn Single Line Connect Message Enable 3 24 3 2 6 AT Commands 3 25 MS Select Modulation 3 25 Hn Enable Disable RPI and DTE Speed 3 28 3 2 7 AT Command 3 29 Download to Flash Memory 3...

Страница 7: ...42 BUSY 7 3 43 NO ANSWER 8 3 43 CONNECT 0600 9 3 43 CONNECT 2400 10 3 43 CONNECT 4800 11 3 43 CONNECT 9600 12 3 43 CONNECT 7200 13 3 43 CONNECT 12000 14 3 43 CONNECT 14400 15 3 43 CONNECT 19200 16 3...

Страница 8: ...67 3 47 CONNECT 38000 168 3 48 CONNECT 40000 169 3 48 CONNECT 42000 170 3 48 CONNECT 44000 171 3 48 CONNECT 46000 172 3 48 CONNECT 48000 173 3 48 CONNECT 50000 174 3 48 CONNECT 52000 175 3 48 CONNECT...

Страница 9: ...Status 4 11 S24 Sleep Inactivity Timer 4 11 S25 Delay To DTR 4 11 S26 RTS to CTS Delay 4 11 S27 Bit Mapped Options Status 4 12 S28 Bit Mapped Options Status 4 13 S29 Flash Dial Modifier Time 4 13 S30...

Страница 10: ...1 6 Procedure Interrupt Negotiation 6 4 6 2 SERVICE CLASS 2 IDENTIFICATION AND SELECTION 6 4 6 2 1 FMFR Request Manufacturer Identification 6 4 6 2 2 FMDL Identify Product Model 6 4 6 2 3 FREV Identif...

Страница 11: ...uality Checking 6 18 6 5 8 FPHCTO DTE Phase C Response Time out 6 18 6 5 9 FAXERR T 30 Session Error Report 6 19 6 5 10 FBOR Data Bit Order 6 19 6 5 11 FAA Answer Parameter 6 19 6 5 12 FBUF Buffer Siz...

Страница 12: ...Skid Setting 7 20 VSP Silence Detection Period Voice Receive ADPCM 7 21 VSR Sampling Rate Selection 7 21 VSS Silence Detection Tuner Voice Receive ADPCM 7 22 VTD DTMF Tone Reporting 7 23 VTM Enable T...

Страница 13: ...MMANDS 8 5 8 5 CALLER ID COMMANDS 8 5 8 6 FAX CLASS 1 8 5 8 7 FAX CLASS 2 8 6 8 8 VOICE AUDIO COMMANDS 8 7 8 9 CELLULAR COMMANDS 8 7 8 10 AUDIOSPAN AND DSVD COMMANDS 8 7 8 11 SYNCHRONOUS ACCESS MODE C...

Страница 14: ...6 6 Send Two Pages 1 D No Errors 6 21 Table 6 7 Receive Two Pages 1 D Data No Errors 6 22 Table 7 1 DTE Speeds 7 4 Table 7 2 Codes Sent to the DTE 7 5 Table 7 3 Shielded DTE Codes 7 7 Table 7 4 AT Vo...

Страница 15: ...data compression ECC performed by the host CPU and communications software for Windows using the enhanced Rockwell Windows Protocol Interface RPI or RPI and WinRPI host software module 1 1 1 Command S...

Страница 16: ...n of factory default values Customization of the ATI4 response Customization of fax OEM messages This program modifies the hex object code which can be programmed directly into the system EPROM Lists...

Страница 17: ...urn CR default value ASCII 013 0Dh see register S3 backspace BS default value ASCII 008 08h see register S5 and cancel cntrl x ASCII 024 18h in the command string are ignored The default terminator is...

Страница 18: ...AT Command Reference Manual 2 2 1048 This page is intentionally blank...

Страница 19: ...ix character e g followed by a decimal parameter Missing decimal parameters are evaluated as 0 The modem supports the editing of command lines by recognizing a backspace character When modem echo is e...

Страница 20: ...ul completion of answer handshake the modem will go on line in answer mode This command may be affected by the state of Line Current Sense if enabled Most countries do not require Line Current Sense O...

Страница 21: ...odem has not finished dialing In this case the modem will go on hook and return to command mode after displaying the NO CARRIER message If the modem has finished dialing it proceeds as if the FRH 3 co...

Страница 22: ...ial string this causes the modem to return to the command state after it processes the portion of the dial string preceding the This allows the user to issue additional AT commands while remaining off...

Страница 23: ...connection Sets N0 sets S37 to 5 and clears S31 bit 1 This command is equivalent to the command string ATN0S37 5 F5 Selects V 22 bis as the only acceptable line modulation for a subsequent connection...

Страница 24: ...ted checksum equals the prestored checksum or if the prestored checksum value is FFh otherwise reports ERROR I3 Reports the firmware version F basic model e g V34 application code A and interface type...

Страница 25: ...nd is also equivalent to F0 RC144 Default Result Codes OK n 0 or 1 ERROR Otherwise Notes 1 The Nn and S37 x commands override the MS command settings When the N0 or N1 command is issued the MS subpara...

Страница 26: ...v Sets S Register n to the value v n Reports the value of S Register n The parameter n can be omitted in which case the last S Register accessed will be assumed The S can be omitted for AT and AT in...

Страница 27: ...codes Line feed is not issued before a short form result code V1 Enables long form verbose result codes Default Result Codes OK n 0 or 1 ERROR Otherwise Wn Connect Message Control This command contro...

Страница 28: ...se by country requirements send only OK CONNECT RING NO CARRIER ERROR NO ANSWER and CONNECT XXXX XXXX rate Blind dialing enabled disabled by country parameters If busy tone detection is enforced and b...

Страница 29: ...CT 115200 1 x x x x 20 CONNECT 230400 x x x x x Note 4 22 CONNECT 75TX 1200RX 1 x x x x 23 CONNECT 1200TX 75RX 1 x x x x 24 DELAYED 4 4 4 4 x 32 BLACKLISTED 4 4 4 4 x 33 FAX x x x x x 35 DATA x x x x...

Страница 30: ...4 160 CARRIER 52000 x x x x x Note 4 161 CARRIER 54000 x x x x x Note 4 162 CARRIER 56000 x x x x x Note 4 165 CONNECT 32000 x x x x x Note 4 166 CONNECT 34000 x x x x x Note 4 167 CONNECT 36000 x x x...

Страница 31: ...our seconds prior to going on hook In non error correction mode the modem will respond to the receipt of a long space i e a break signal greater than 1 6 seconds by going on hook Result Codes OK n 0 o...

Страница 32: ...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 Q2 Q3 DTR drop causes the modem to ha...

Страница 33: ...K n 0 or 1 ERROR Otherwise Kn Flow Control This command defines the DTE DCE terminal modem flow control mechanism The parameter value if valid is written to S39 bits 0 1 and 2 K0 Disables flow control...

Страница 34: ...010b is written to S27 bits 3 1 and 0 respectively Serial interface operation only M3 Selects synchronous connect mode This mode allows DTR to act as a talk data switch The call is manually initiated...

Страница 35: ...njunction with the Hayes Synchronous Interface HSI capability in the DTE provides synchronous communication capability from an asynchronous terminal Starting AutoSync Set registers S19 S20 and S25 to...

Страница 36: ...progress Clears S16 T1 Initiates local analog loopback V 54 Loop 3 Sets S16 bit 0 If a connection exists when this command is issued the modem hangs up The CONNECT XXXX message is displayed upon the...

Страница 37: ...FILE 0 B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 C0 D0 G2 J0 K3 Q5 R1 S0 T4 X0 S00 002 S02 043 S06 002 S07 030 S08 002 S09 006 S10 014 S11 095 S12 050 S18 000 S36 007 S37 000 S40 105 S41 003 S46 138 S95 000 STO...

Страница 38: ...frequency of 1200 Hz or faster corresponding to the speed that is selected for modem operation X0 Selects internal timing The modem generates the transmit clock signal and applies it to the TXCLK out...

Страница 39: ...aches 2400 bps V 34 or 4800 bps V 32 Below this rate the modem will only do retrains if EQM thresholds are exceeded If the EQM is sufficient for at least one minute the modem will initiate a rate rene...

Страница 40: ...same 8 hex numbers Result Codes OK 8 hex numbers same 8 hex numbers ERROR Otherwise To display the stored serial number issue AT cr 8 Plug and Play Vendor ID and Product Number Sets and stores Vendor...

Страница 41: ...in the on line command state waiting for AT commands 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...

Страница 42: ...esults in the modem hanging up Forces Q5 S36 4 and S48 128 Result Codes OK n 0 to 5 ERROR Otherwise Vn Single Line Connect Message Enable The single line connect message format can be enabled or disab...

Страница 43: ...xisting communication software S37 is not updated by the MS command 2 Subparameters not entered enter a comma only or CR to skip the last subparameter remain at their current values Reporting Selected...

Страница 44: ...not be able to automatically switch from the current modulation specified by mod to some other modulation For example there is no standard way to automode from Bell 103 to V 23 b The DTE may disable...

Страница 45: ...bps For example MS 11 1 300 16800 selects automode starting at V 34 16800 bps no comparable S37 command MS 9 1 300 12000 selects automode starting at V 32 bis 12000 bps same as N1S37 10 3 min_rate is...

Страница 46: ...ble RPI mode and set DTE speed to 38400 bps H3 Enable RPI mode and set DTE speed to 57600 bps H11 Enable RPI mode applicable only to modems supporting RPI When in RPI mode a link is established betwee...

Страница 47: ...typing AT 5 Initiate the download process using the AT n command where AT or AT 0 Download speed is the last sensed speed recommended command AT 1 Download speed is 38 4k bps AT 2 Download speed is 5...

Страница 48: ...ve Ring Type 3 SDR 5 Enables Distinctive Ring Type 1 and 3 SDR 6 Enables Distinctive Ring Type 2 and 3 SDR 7 Enables Distinctive Ring Type 1 2 and 3 Result Codes OK n 0 to 7 ERROR Otherwise The n valu...

Страница 49: ...ritten to S40 bits 6 and 7 A0 64 characters A1 128 characters Default A2 192 characters A3 256 characters Result Codes OK n 0 to 3 ERROR Otherwise Bn Transmit Break to Remote In non error correction m...

Страница 50: ...n 0 to 2 ERROR Otherwise Kn MNP Extended Services Enables or disables conversion of a V 42 LAPM connection to an MNP 10 connection The parameter value if valid is written to S40 bits 0 and 1 K0 Disabl...

Страница 51: ...R Otherwise Example AT SEC 1 18 enables MNP10 EC and sets the transmit level to 18 dBm Note If AT SEC 0 the modem will automatically set AT SEC 1 if the remote modem indicates Cellular in the V 8 bis...

Страница 52: ...le NO PHONE NUMBER 1 4175537660 2 8288924961 3 3887278862 4 3124839442 5 6284664 OK D Display Delayed Numbers This command causes the modem to send a list of the delayed numbers together with the dela...

Страница 53: ...the 0 country code is reserved for this function Automatic DAA country code recognition is disabled by the NCn command selecting any other valid country code NCn Select country parameters correspondi...

Страница 54: ...ces are present on both sides of the equal sign Tag Description DATE DATE MMDD where MM is the month number 01 to 12 and DD is the day number 01 31 TIME TIME HHMM where HH is the hour number 00 to 23...

Страница 55: ...60342424231 RING RING Unformatted Form Reporting The modem presents all information and packet control information found in the message The modem however excludes the leading U s channel seizure infor...

Страница 56: ...diagram of a typical Direct Connect Cellular Modem based on AK14 X270 Rev 4 reference schematic 3 7 1 Cellular Phone Drivers The data interface to cellular phones differs between manufacturers and mo...

Страница 57: ...answer calls the same AT commands and software packages that are used for landline communication sessions can be used If the cellular phone is not connected or is powered off dial answer functions wil...

Страница 58: ...that experience high network attenuation do not have connection problems when communicating to modems configured for cellular operation The above configurations are the minimum additional AT commands...

Страница 59: ...Driver BTxlv x Mod V 32bis Mode EC RTxlv Driver BTxlv x AT F SEC 1 x Mod V 32bis Mode Single EC RTxlv x BTxlv 10 Mod V 32bis Mode Single EC RTxlv x BTxlv 10 Mod V 32bis Mode EC RTxlv x BTxlv x Mod V...

Страница 60: ...rACE When cellular interface is selected RING indicates that the cellular phone is receiving an incoming call NO CARRIER 3 The modem sends this result code when attempting to establish a call if 1 Rin...

Страница 61: ...he DTE speed to the DTE upon connecting CONNECT 9600 12 For X1 X2 X3 and X4 the modem sends this result code when 1 The line speed is 9600 bps and the modem has been instructed to report the line spee...

Страница 62: ...to connect and the number dialed is considered delayed due to country blacklisting requirements BLACKLISTED 32 For X4 the modem returns this result code when a call fails to connect and the number dia...

Страница 63: ...carrier reporting has been enabled See S95 and Xn CARRIER 24000 56 The modem sends this result code when a 24000 bps data rate has been detected on the line and carrier reporting has been enabled See...

Страница 64: ...code when a 31200 bps data rate has been detected on the line and carrier reporting has been enabled See S95 and Xn CARRIER 33600 79 The modem sends this result code when a 33600 bps data rate has be...

Страница 65: ...ted on the line and carrier reporting has been enabled See S95 and Xn CARRIER 50000 159 The modem sends this result code when a 50000 bps data rate has been detected on the line and carrier reporting...

Страница 66: ...em returns this result code upon connecting when the DTE speed is 48000 bps and the modem has been instructed to report the DTE speed upon connecting CONNECT 50000 174 For X1 X2 X3 and X4 the modem re...

Страница 67: ...TE speed of 38400 bps or higher should be used 3 9 1 Commands Supported by Both AudioSpan and DSVD SMS x y z t Select AudioSpan DSVD Mode The x parameter selects Data AudioSpan or DSVD mode or enables...

Страница 68: ...inimum data speed with audio of 4800 bps and specifies the maximum data speed with audio of 9600 bps Reporting Selected Options The modem reports the selected options in response to the following comm...

Страница 69: ...tion specified by the x parameter and falls back from ML288 to ML144 to V 61 or to data mode e g V 34 or v 32 bis depending on the selected x parameter the remote modem capability and line conditions...

Страница 70: ...hen silence is detected in data burst mode the connected modems will upshift in speed for higher throughput Disabling data burst mode will keep the audio channel open at all times during the AudioSpan...

Страница 71: ...SMS 2 Enable AudioSpan with default settings OK OK ATDTxxxx Originate modem dials remote modem RING ATA Answer DTE responds to RING by answering CONNECT 57600 CONNECT 57600 AudioSpan is established a...

Страница 72: ...ion but will not actually dial since the handset is already offhook RING Answer modem detects negotiation sequence and reports RING message to DTE ATA DTE responds to RING by answering CONNECT 57600 C...

Страница 73: ...kerphone mode selected for answer modem OK OK AT SMS 2 14400 14400 AT SMS 2 Enable AudioSpan Originate DTE wishes to force a ML288 14400 with audio connection OK OK ATD Originate modem initiates data...

Страница 74: ...ML144 7200 with audio as the connection OK OK AT VLS 5 AT VLS 5 OK OK ATDTxxxx Originate modem dials remote modem RING ATA DTE responds to RING by answering CONNECT 38400 CONNECT 38400 AudioSpan is e...

Страница 75: ...es to data mode Audio on both sides will be muted while the originate modem is in CLS 0 OK AT SMS 2 VLS 6 Modem is configured for AudioSpan with speakerphone mode selected OK ATD Originate modem initi...

Страница 76: ...originator The options are 3 Initiate V 42 with Detection Phase Default 6 Initiate Synchronous Access Mode when connection is completed and Data State is entered 7 Initiate Frame Tunneling Mode when...

Страница 77: ..._idle Specifies the bit sequence transmitted by the modem when a transmit data buffer underrun condition occurs while operating in Transparent sub Mode The options are 0 In Transparent sub Mode modem...

Страница 78: ...ng character oriented framing syn1 is to be commanded to 255 FFh syn2 is not to be commanded Reporting Selected Options The modem reports the selected options in response to the following command ESA...

Страница 79: ...om the DTE with the exception of DC1 and DC3 if these are used to signal modem by DTE flow control The modem returns the ERROR result code if the DTE specifies that the off subparameter be set to a va...

Страница 80: ...AT Command Reference Manual 3 62 1048 This page is intentionally blank...

Страница 81: ...sed to change the value 4 1 FACTORY DEFAULTS The factory default values are stored in ROM and are loaded into the active configuration at power up or by the ATZn command In addition the designated def...

Страница 82: ...5 Reserved S16 Test Mode Bit Mapped Options Status T 0 S17 Reserved S18 Test Timer 0 255 s 0 S19 AutoSync Options 0 S20 AutoSync HDLC Address or BSC Sync Character 0 255 0 S21 V 24 General Bit Mapped...

Страница 83: ...ed S46 Data Compression Control 138 S48 V 42 Negotiation Control 7 S82 LAPM Break Control 128 40h S86 Call Failure Reason Code 0 255 S91 PSTN Transmit Attenuation Level 0 15 dBm 10 Country dependent S...

Страница 84: ...result code terminator character Pertains to asynchronous operation only Range 0 127 ASCII decimal Default 13 Carriage Return S4 Line Feed Character Sets the character recognized as a line feed Perta...

Страница 85: ...sets the length of time in seconds that the modem will wait for dial tone when encountering a W dial modifier before continuing with the next dial string parameter Range 1 255 seconds Default 50 S8 Pa...

Страница 86: ...s not affect entry into command mode See 3 1 3 Range 0 255 1 50 of a second Default 50 1 second S13 Reserved S14 General Bit Mapped Options Status Indicates the status of command options Default 138 8...

Страница 87: ...ested Default 1 RDL requested T6 Bit 5 RDL with self test 0 Disabled Default 1 Enabled T7 Bit 6 Local analog loopback LAL with self test 0 Disabled Default 1 Enabled T8 Bit 7 Not used S17 Reserved S18...

Страница 88: ...lt 1 HDLC selected Bit 2 Address detection enable disable 0 Disabled Default 1 Enabled Bit 3 NRZI NZI coding select 0 NRZI Default 1 NZI Bit 4 Idle indicator select 0 Mark idle Default 1 Flag or sync...

Страница 89: ...ored otherwise 0 J0 Default 1 J1 Bit 1 Reserved Bit 2 CTS behavior Rn 0 CTS tracks RTS R0 1 CTS always on R1 Default Bits 3 4 DTR behavior Dn 0 D0 selected 1 D1 selected 2 D2 selected Default 3 D3 sel...

Страница 90: ...command options Default 117 75h 01110101b Bits 0 1 Speaker volume Ln 0 Off L0 1 Low L1 Default 2 Medium L2 3 High L3 Bits 2 3 Speaker control Mn 0 Disabled M0 1 Off on carrier M1 Default 2 Always on...

Страница 91: ...ne or DTE line activity before entering low power sleep mode The timer is reset upon any DTE line or telephone line activity If the S24 value is zero neither DTE line nor telephone inactivity will cau...

Страница 92: ...onous selection Mn Qn 3 1 0 0 0 0 M0 or Q0 0 0 1 M1 or Q1 0 1 0 M2 or Q2 0 1 1 M3 or Q3 1 0 0 Q4 1 0 1 Q5 Default 1 1 0 Q6 Bit 2 Leased line control Ln 0 Dial up line L0 Default Bits 4 5 Internal cloc...

Страница 93: ...ime in units of 10 ms that the modem will go on hook when it encounters the flash dial modifier in the dial string The time can be limited as it is a country dependent parameter Range 0 255 10 ms inte...

Страница 94: ...Bits 2 3 Error correction progress messages Wn 0 DTE speed only W0 Default 1 Full reporting W1 2 DCE speed only W2 Bits 4 5 Caller ID CID 0 Caller ID disabled CID 0 Default 1 Short formatted Caller I...

Страница 95: ...S36 will act as if the default value has been entered 0 Modem disconnects 1 Modem stays on line and a Direct mode connection is established 2 Reserved 3 Modem stays on line and a Normal mode connecti...

Страница 96: ...C144 If an invalid number is entered the number is accepted into the register but S37 will act as if the default value has been entered 0 Attempt automode connection If N0 is active connection is atte...

Страница 97: ...f seconds for the remote modem to acknowledge all data in the modem buffer before disconnecting If time expires before all data is sent the NO CARRIER result code will be issued to indicate that data...

Страница 98: ...104 68h 01101000b Bits 0 1 MNP Extended Services Kn 0 Disable extended services K0 Default 1 Enable extended services K1 2 Enable extended services K2 Bit 2 Reserved Bits 3 5 Break Handling Kn 0 K0 1...

Страница 99: ...138 Default 138 S46 136 Execute error correction protocol with no compression S46 138 Execute error correction protocol with compression Default S48 V 42 Negotiation Action The V 42 negotiation proce...

Страница 100: ...modem S86 13 Remote modem does not respond after 10 re transmissions of the same message S86 14 Protocol violation S91 PSTN Transmit Attenuation Level Sets the transmit attenuation level from 0 to 15...

Страница 101: ...so refer to Table 3 1 Default 0 Bit 0 CONNECT result code indicates DCE speed instead of DTE speed Bit 1 Append ARQ to CONNECT XXXX result code in error correction mode XXXX rate see Table 3 1 Bit 2 E...

Страница 102: ...AT Command Reference Manual 4 22 1048 This page is intentionally blank...

Страница 103: ...E character 5 1 2 Modem to DTE Receive Data Stream Characters Detected Action Taken DLE Insert extra DLE ahead of DLE The modem also identifies the end of a frame by inserting DLE ETX into the data st...

Страница 104: ...e modem generates the FCERROR message and returns to the command mode If the specified carrier is detected the modem generates the CONNECT message and enters the HDLC receive mode In HDLC receive mode...

Страница 105: ...m generates the OK result code and returns to the command mode If the last character transmitted was an ASCII NULL the modem generates the CONNECT message to the DTE and waits for further data from th...

Страница 106: ...atically detect whether the calling station is a fax class 1 modem or data modem and answer accordingly Parameters n 0 or 1 Command options n 0 Disable data fax auto answer mode The modem answers as a...

Страница 107: ...FTM 121 V 17 12000 bps long FTM 122 V 17 12000 bps short FTM 145 V 17 14400 bps long FTM 146 V 17 14400 bps short FRM n Receive Data FRM n causes the modem to enter the receiver mode using the modulat...

Страница 108: ...00 bps long FTH 146 V 17 14400 bps short FRH n Receive Data with HDLC Framing FRH n causes the modem to receive frames using HDLC protocol and the modulation defined below An ERROR response code resul...

Страница 109: ...DCS frame 28 Receive DCS Last frame bit 1 29 Detect last frame bit 39 OK drop carrier 31 AT FTS 8 32 OK wait 80 ms 33 AT FTM 96 34 Send V 29 35 CONNECT 36 TCF 37 Send TCF data 38 Receive check 39 OK...

Страница 110: ...carrier 22 AT FRH 3 23 CONNECT 24 Send TSI frame Last frame bit 0 25 TSI OK 26 AT FRH 3 27 CONNECT 28 Send DCS frame Last frame bit 1 29 DCS OK 30 Drop Carrier 31 AT FRM 96 32 Send V 29 33 CONNECT 34...

Страница 111: ...the ASCII CR character Characters that precede the AT prefix are ignored The command line interpretation begins upon receipt of the carriage return character Facsimile Command Syntax After the AT or...

Страница 112: ...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 113: ...eld special characters The DLE ETX character pair 106 003 is used to mark the end of a stream The following patterns are used any data DLE ETX end of stream any data DLE DLE single DLE in data any dat...

Страница 114: ...o the DTE The messages are programmable using ConfigurACE 6 2 1 FMFR Request Manufacturer Identification The FMFR command causes the DCE to send a message identifying the DCE product manufacturer The...

Страница 115: ...3 2 The DTE may issue an Answer command in response to an incoming ring If the Answer command is unsuccessful the DCE will report an appropriate failure or error type result code such as NO CARRIER se...

Страница 116: ...ers The DCE will filter the stream as described in Section 6 1 2 The DCE will acknowledge the end of the data by returning the OK result code to the DTE If there is data underrun before the next FDT o...

Страница 117: ...1216 pixels in 151 mm 4 864 pixels in 107 mm LN Page Length 0 A4 297 mm 1 B4 364 mm 2 unlimited length DF Data Compression Format 0 1 D modified Huffman 1 2 D modified Read 2 2 D uncompressed mode 3 2...

Страница 118: ...ssage and terminates the session 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 Table 6 4 End a Pag...

Страница 119: ...byte of a page the DCE reports the Page Transfer Status via the FPTS ppr response Table 6 4 After a Page Transfer Status Report the DCE reports the post page message from the remote facsimile station...

Страница 120: ...EOLs patterns CAN Escape from Reception From the FDR command until the end of Phase D Date the DCE is in a data transfer state and will not respond to DTE command characters The DCE will respond to t...

Страница 121: ...lue Empty 6 3 8 FLPL Indicate a Document for Polling This command allows setting up an answering modem to know that it has a document available for polling This allows a calling modem to receive this...

Страница 122: ...C error 43 DTE to DCE data underflow 50 69 Transmit Phase D Hangup Codes 50 Unspecified Transmit Phase D error 51 RSPREC error 52 No response to MPS repeated 3 times 53 Invalid response to MPS 54 No...

Страница 123: ...eters This message may be generated in execution of FDT or FDR commands before the CONNECT result code if new DCS frames are generated or received See Table 6 2 6 4 3 FDIS Report Remote Station Capabi...

Страница 124: ...d from the remote DCE The valid ppr values are defined in Table 6 4 The FPTS ppr response is generated in execution of a FET ppm command 6 4 10 FHNG Call Termination with Status Syntax FHNG hangup sta...

Страница 125: ...communicated 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 woul...

Страница 126: ...x FDCC VR BR WD LN DF ED BF ST Valid values See Table 6 2 Default values 0 3 0 2 0 0 0 0 9600 bps fax models or 0 5 0 2 0 0 0 0 14400 bps fax models FDCC allows the DTE to sense and constrain the capa...

Страница 127: ...response using the same compound parameter format Several commands and responses reference T 30 session negotiated parameters These are described by a set of common subparameters These subparameters...

Страница 128: ...in CCITT T 30 Phase A and Phase D 6 5 6 FPTS Page Transfer Status Write Syntax FPTS ppr Valid values 1 2 3 4 5 Default value 0 The FPTS parameter contains a value representing the post page response i...

Страница 129: ...and controls Phase C data T 4 encoded data transferred during execution of FDT or FDR commands The following two codes are supported FBOR 0 or 2 Selects direct bit order for Phase C data FBOR 1 or 3 S...

Страница 130: ...ent buffer byte count Example FBUF 512 506 500 0 The FBUF parameter allows the DTE to determine the characteristics of the DCE s data buffer Data buffers are used for flow control Use of the reported...

Страница 131: ...er Send CED V 21 flags CSI DIS AT FDT 1st page data DLE ETX FDCS DCS codes CONNECT XON OK Send TSI Send DCS Send TCF Get CFR Send carrier Send page data Get TSI Get DCS Get TCF Send CFR Receive carrie...

Страница 132: ...ceive 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 Accept TCF Send CFR Get page carrier Get pa...

Страница 133: ...Voice Command Mode is the default Voice submode entered when the CLS 8 command is issued and may also be entered from Voice Receive Mode or Voice Transmit Mode Entry into Online Voice Command Mode is...

Страница 134: ...ere are indications that the remote station has not answered in voice thus implementing a directed originate for voice The following are the three connection type choices Voice Audio The modem dials a...

Страница 135: ...he case that a fax is received or a voice message recorded when nobody is present Data Fax Discrimination If the DTE wishes to allow for a data or fax call the FCLASS and FAA or FAE commands can be co...

Страница 136: ...ied DTE Speed Supported 1 8 bits 110 250 bps 115 2 kbps 7 2 4 Tone and Status Monitoring Shielded DLE Statuses The modem can detect specific tones and other status information and report these to the...

Страница 137: ...ted If the DTE does not react to the DLE e and calling tone continues the code is sent again as often as once every 4 seconds DLE f Bell Answer Tone Sent when Bell 2225 Hz Answer Tone Data is detected...

Страница 138: ...e DTE resumes sending bytes the modem allows a small number of bytes to build up in the buffer before re enabling the transmitter to avoid repeated underruns However with the underrun condition the mo...

Страница 139: ...f DLE u DLE u DLE u DLE u DLE u increases the playback volume by a value of 5 units The DLE u code can be used to adjust the volume within the range of 128 228 See DLE u and DLE d in Section 7 3 2 DLE...

Страница 140: ...y timer expires which is generally an undesired event 7 2 7 Voice Playback To effect playback of a message recorded via a handset or microphone or of a message recorded during a voice call the DTE mus...

Страница 141: ...empted as the result of the DTE modifying the CLS setting from voice 8 to fax 1 does not result in the modem hanging up allowing the DTE the flexibility of commanding a switch back to Voice Mode with...

Страница 142: ...inate VRX Voice Receive Mode ADPCM or PCM VSD Enable silence deletion voice receive ADPCM VSK Buffer skid setting VSP Silence detection period voice receive ADPCM VSR Sampling rate selection ADPCM or...

Страница 143: ...ce Command Mode which enables unsolicited reporting of DTMF and answer tones to the DTE Parameters Same as Data and Fax modes Result Codes VCON Issued in Voice Audio Mode CLS 8 when the modem determin...

Страница 144: ...detection to the DTE Note that when BDR has been set nonzero the modem employs the S30 Disconnect Inactivity timer and this timer starts at the point where BDR is set nonzero If this period expires no...

Страница 145: ...AT Command Reference Manual 1048 7 13 CID 2 Enables unformatted Caller ID reporting of any ICLID packet received after the first RING cycle including SDM MDM or call waiting packets...

Страница 146: ...her the FAA or the FAE command can be used to force subsequent answers to be Class 1 adaptive answers CLS 2 Class 2 fax This is similar to setting FCLASS 2 and instructs the modem to be a Class 2 fax...

Страница 147: ...em s voice transmit and voice receive buffers in ASCII decimal followed by the OK result code Parameters None Command option VBQ Returns the size of the modem voice transmit and voice receive buffers...

Страница 148: ...n result code format VBT Returns the message 0 40 VBT 0 Disables the tone generation capability VBT 1 to 40 Sets tone duration time VCI Identify Compression Method This command provides a unique chara...

Страница 149: ...onse is generated for completeness However since this is an output only device nothing of consequence can happen until the DTE sends the VTX command VLS 3 This command instructs the modem that only th...

Страница 150: ...in the VLS response 4 Telephone line with Speaker ON and handset This device type can be used to allow the DTE to select the telephone line handset if picked up with the modem speaker also turned ON T...

Страница 151: ...used when originating a voice audio call CLS 8 to set the Ringback Never Came timer value i e an amount of time in units of 100 ms measured from completion of dialing If ringback is not detected withi...

Страница 152: ...no function other than command response compatibility VSK Buffer Skid Setting This command queries and sets the number of bytes of spare space after the XOFF threshold is reached in the modem s buffe...

Страница 153: ...DTE Parameters n 0 255 0 25 5 seconds Default 55 Result Code OK If n 0 255 ERROR Otherwise Command options VSP Returns the current setting of the VSP command as an ASCII decimal value in result code f...

Страница 154: ...1 2 3 VSS 0 Disables silence detection by the modem when in Voice Receive Mode default VSS 1 Least sensitive setting When this command is received by the modem the system is configured to a state whic...

Страница 155: ...Modes respectively Table 7 6 VTD Tone Detection Reporting Bit Settings Bit Description 0 0 Disable DTMF tone capability 1 Enable DTMF tone capability 1 1 0 Disable V 25 1300 Hz Calling tone capabilit...

Страница 156: ...e parameter field Each such substring consists of three sub elements corresponding to the two frequencies i e x and y and the duration i e z x y z x represents the first frequency 0 or 200 3000 Hz y r...

Страница 157: ...e and speaker outputs via the on board digital potentiometer while in the data state The application may embed the DLE u and DLE d codes into the playback data to adjust the volume during playback Eac...

Страница 158: ...the call with ATH Answering a Call in Speakerphone Mode To answer a call in speakerphone mode issue AT CLS 8 AT VLS 6 Selects the speakerphone When the modem detects the ring the modems reports RING...

Страница 159: ...t SPK Parameter The setting of the speakerphone can be changed with the AT SPK command AT SPK mute spkr mic The SPK command can be used to control the microphone state mute or on adjust the speaker vo...

Страница 160: ...0 0 dB attenuation 5 10 dB attenuation default 15 30 dB attentuation 16 Speaker mute mic Microphone Gain Parameter Range 0 to 3 0 0 dB gain 1 10 dB gain 2 15 dB gain default 3 20 dB gain mic Except A...

Страница 161: ...e during Voice On line mode The remote settings are VLS 0 VLS 4 VLS 5 VLS 6 VLS 7 and VLS 8 Example 1 An example of how host software will switch VLS settings in local mode is an application which rec...

Страница 162: ...Originate a VoiceView call with handset dialing and switch to speakerphone and handset modes DTE commands DCE Response Function Pick up handset dial number and establish voice conversation AT FCLASS 8...

Страница 163: ...set emulation modes The modem can be switched between handset VLS 0 and speakerphone VLS 6 modes during FCLASS 80 as described in the previous section Example 5 Originate VoiceView call in Speakerphon...

Страница 164: ...period even if the modem is on hook DTE software must not select a nonzero setting for BDR until it is ready to establish a telephone call or virtual connection to a speaker or microphone When there...

Страница 165: ...DTE changes its own speed to 38 400 bps and sends this command to set up the silence detection period for 2 seconds OK The modem agrees When receiving voice data 2 seconds of silence terminates the R...

Страница 166: ...running to ensure that the user won t speak longer than some predetermined limit Alternatively the DTE can require the user to enter a DTMF tone to terminate transmission of the message to the DTE DLE...

Страница 167: ...he S30 timer is now active VLS 2 Select the speaker as the output device to be used by the modem VCON The modem confirms command reception and enters Online Voice Command Mode Since this is an output...

Страница 168: ...and it switches in the telephone line RING Some time later we receive the first call Note that the modem also processes Caller ID information at this time CLS 8 Configure the modem for Voice Mode aga...

Страница 169: ...ommand Mode with each beep having a duration of 1 2 seconds OK The modem confirms command reception VTS The DTE sends a BEEP to annotate its greeting message This beep is a 1 2 second long DTMF During...

Страница 170: ...ve A The DTE answers VCON The modem is now in Online Voice Command Mode DTMF and calling tone detection is enabled VTX The DTE does not wait for any tones and tells the modem that it is ready to send...

Страница 171: ...essage but is now insisting that he be able to send us a facsimile X DTE sends X as key abort If the user tried to keep talking after he hit the DTMF 5 anything said was lost Whatever he said before t...

Страница 172: ...The modem confirms command reception A Finally the modem answers VCON The modem is now in Online Voice Command Mode DTMF and calling tone detection is enabled Note that alternatively the DTE can go in...

Страница 173: ...ave Press to send a fax for help or leave your message at the beep Note that the caller can enter DTMF tones at any time which the DTE can take into account or calling tone can still be detected DLE E...

Страница 174: ...telephone call and the modem dials and goes through call progress BUSY or NO DIALTONE can be detected but in this example the modem gets ringback VCON This message is sent 4 5 seconds after the third...

Страница 175: ...on hook go off hook and enter command mode I0 Report product code I1 Report pre computed checksum I2 Report OK I3 Report firmware revision model and interface type I4 Report response programmed by an...

Страница 176: ...ERROR Y0 Disable long space disconnect before on hook Y1 Enable long space disconnect before on hook Z0 Restore stored profile 0 after warm reset Z1 Restore stored profile 1 after warm reset C0 Force...

Страница 177: ...1 CTS is always active S0 DSR is always active S1 DSR acts per V 25 T0 Terminate any test in progress T1 Initiate local analog loopback T2 Returns ERROR result code T3 Initiate local digital loopback...

Страница 178: ...by the command settings X W and S95 V1 Connect messages are displayed in the single line format MS Select modulation H0 Disable RPI Video Ready Mode H1 Enable RPI and set DTE speed to 19200 bps H2 Ena...

Страница 179: ...Display list of permanently blacklisted numbers D Display list of delayed numbers NCn Change country to one of eight in NVRAM 8 5 CALLER ID COMMANDS CID 0 Disable Caller ID CID 1 Enable Caller ID with...

Страница 180: ...apabilities parameters FDCS Report current session FDCS Current session results FDIS Report remote capabilities FDIS Current sessions parameters FDR Begin or continue phase C receive data FDT Data tra...

Страница 181: ...function command response only VSK Buffer skid setting VSP Silence detection period voice receive VSR Sampling rate selection VSS Silence detection tuner voice receive VTD DTMF tone reporting VTM Ena...

Страница 182: ...AT Command Reference Manual 8 8 1048 This page is intentionally blank...

Страница 183: ...AT N5 C2 3 Force MNP 5 data compression with MNP error correction AT N5 C1 Note With the setup strings in examples 1 3 if the remote is unable to negotiate the desire rate mode the modem will disconn...

Страница 184: ...AT Command Reference Manual 9 2 1048 This page is intentionally blank...

Страница 185: ...INSIDE BACK COVER NOTES...

Страница 186: ...773 3907 US Northeast Office Rockwell Semiconductor Systems 239 Littleton Road Suite 4A Westford MA 01886 Phone 508 692 7660 Fax 508 692 8185 Australia Rockwell Semiconductor Systems Rockwell Australi...

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