Modem-on-Hold Incoming Voice Call in Data Mode

Data Mode AT COMMANDS

Figure 4. Modem-on-Hold: Incoming Voice Call in Data Mode

Enable MOH
(+PMH=0)
(+PCW=0)
Enable Caller ID
(Optional)
(+VCID=1)
Incoming Call
HW Ring Indication
(+++AT)
Accept/Reject	Accept Call
Accept/Reject
Call
?
	Request to go
Reject Call	on hold
Reject Call	(+PMHR)
	(+PMHR)
Stay Online
(ATO)
	Server	No (Returns 0)
	Accepts	No (Returns 0)
	Accepts
	Request
	?
	Yes	No
	(Returns 1-13)	Disconnect
	(Returns 1-13)	?
		?
	Flash Hook	Yes
	(+PMHF)	Yes
	Answer Call	End Data Connection
	Answer Call	(ATH)
		(ATH)
	Finish Call
	Flash Hook
	(+PMHF)
	Go Back Online
	(ATO)
		A9111-01

32	536EX Chipset Developer’s Manual

Intel Confidential

Page 32

Image 32

Intel 537EX manual Modem-on-Hold Incoming Voice Call in Data Mode

537EX specifications

The Intel 537EX is a powerful and innovative embedded processor designed for a range of applications, particularly in the fields of industrial automation, telecommunications, and transport management systems. This processor is a member of Intel's embedded product line, tailored specifically to meet the demands of systems that require high reliability and long lifecycle support.

One of the main features of the Intel 537EX is its multi-core architecture, which enables efficient parallel processing capabilities. This allows for the execution of multiple tasks simultaneously, significantly improving overall system performance. The processor also incorporates Intel’s advanced power management technology, which ensures that the device consumes energy efficiently, enhances thermal performance, and prolongs the lifespan of the system.

The Intel 537EX supports a range of connectivity options, including high-speed Ethernet and Serial ATA interfaces. This ensures that it can easily integrate into existing systems, seamlessly supporting applications that require robust data transfer capabilities. Additionally, the processor is equipped with multiple I/O ports, facilitating the connection of various peripherals and sensors, which is crucial in industrial applications.

One of the standout technologies within the Intel 537EX is its support for hardware virtualization. This feature allows for the creation of multiple virtual environments within a single physical structure, optimizing resource utilization and enhancing system flexibility. Additionally, Intel’s integrated security technologies provide a significant layer of protection against potential threats, ensuring that embedded systems remain secure.

Another characteristic of the Intel 537EX is its extensive software support, which includes compatibility with various operating systems and development environments. This versatility makes it an attractive choice for developers looking to build or upgrade their embedded systems. With access to Intel's comprehensive software tools, developers can quickly optimize applications to take full advantage of the processor's capabilities.

The Intel 537EX also boasts excellent thermal performance, allowing it to operate efficiently in harsh environments. This is crucial for embedded applications in industrial settings where temperature fluctuations are common. Overall, the Intel 537EX is engineered to deliver high-performance processing power, superior connectivity, and enhanced security, solidifying its position as a reliable choice for demanding embedded applications.

Contents

537EX Chipset Developer’s Manual Intel Confidential Contents Figures Tables 001 Initial release Revision HistoryDate Revision Description Introduction Controllerless Modem Driver Overview Windows 95 and Windows V.90/V.92 and V.34 Data Modes TapiUnimodem Intelsdb.VXD Modem Connection Overview AT Commands Overview DTE-to-DCE Data Rates for Each ModeDCE-to-DCE Data Rates for Each Mode DCE-to-ISP Data Rates for V.90 Mode Sending Commands Delayed CallDTE-Modem Data Rate Response Codes Numeric Text Command Function AT Escape SequencesDial Modifier Dialing digits Data Mode Command Summary Command Function Default Range Reported By &Vn Intel Confidential Intel Confidential Intel Confidential +EB +ESA+ESR +ETBM 44/V.42/V.42 bis MNP Command Summary Processes flow control characters and passes to local Fax Identity Command Summary Fax Class 1 Command Summary Response Hex Code Function IS-101 Voice Command SummaryVoice DTE→DCE Character Pairs Voice DTE →DCE Character Pairs Voice DTE←DCE Character PairsDEL ESC Register Function Default Range Units Reported by &Vn Dial ModifiersRegister Summary Ascii Register Function Default Range Units Modem Setup Host Modem Response Command Using AT Commands to Access the S-Registers Sn?, Sn=x, ?Modem Responses and Command Echo En, Vn, Xn, Wn, Qn DTE Disable EnableData Reporting Wn Mapping Resets and then configures the modem to Nvram user profile Product Identification Information AT Commands Product InformationEstablishing a Modem Connection A, D, DS = n, S0 Modem-to-Modem Connection Data Rates Online Command Mode Escape Codes, OnHanging Up Hn, S10, Zn, &D2 Intel Confidential Modem-on-Hold Incoming Voice Call in Data Mode Modem-on-Hold Initiating a Voice Call in Data Mode Intel Confidential Supported Modulation Types Carrier Description Diagnostic Testing S18, &Tn Local Analog Loopback AT&T1 Local Analog Loopback With Self-Test AT&T8 Local Modem or Test Modem Licensing Requirements for Hayes Escape Sequence AT Escape SequencesTime-Independent Escape Sequence Example Hayes* Escape Sequence Data Mode Command DescriptionsCommand Default Description Previously stored in the Nvram with the AT&Zn=x command Host in either online or off-line command modeEcho disabled Echo enabled Sn=x ATI2DTE Command Modem dials a telephone number touch tone dialingNumeric or verbose form Numeric form Disconnecting Subsequent commands to be ignoredResets the modem and recalls user profile DCD or Rlsd signal AT&V0 Active ProfileStored Profile Telephone Numbers S-register configurations into the Nvram user profile ‘n’ Command to see the stored telephone numberSelect profile = 0-9 a B C D # * T P R W @ Command Default Indication Definition +EB CRC generation and checking disabled Nrzi encoding and decoding disabledSecondary channel operation, and vice versa 12/V.34 +ESR +ETBM +GMR +GSN+IFC +ILRR=m +MS command description +MA? will display a list of enabled alternative modulations= carrier,carrier,…carrier If +MS = ,0,, no alternative modulations will be available Carrier Description BELL103BELL212 +MS=m See ‘m’ +PHSW= +PMHFValue Description +PMHR Conjunction with the +PSS command Enable Short Phase 1 and Short PhaseEnable Short Phase Disable short Phase 1 and Short Phase Mode Features Operating Modes 44/V.42/V.42 bis and MNP Data Modem Command Descriptions +ES Settings Answer ModemResulting +ES Connection Types +ES=1, 0 +ES=4, 4 +ES=3, 0 +ES=3, 2 \Bn \Kn +DR=m Direction+DS=m Max string 3768 +EFCS=m Display messages when +ER = Decimal value and the format is as follows+ER=m +ER Lapm Setting is ignored if origrqst=6 Control during non-error control operationNon-error control operation +ES=m Fax Identity Commands Fax Class 1 CommandsFax Identity Command Descriptions +FMFR?/+FMI Mod Selection Table Value Modulation Speed bps 30 Hdlc Frame Format Class 1 DTE-Generated Hdlc Frame Information AT+FTH=mod +FCLASS Fax Mode Command Descriptions+FCLASS? +FRH=m +FRS=m +FTH=m IS-101 Voice Mode AT Commands Relay Control Voice Mode Command DescriptionsDtmf Detection Reporting +FLO=m Enable report Function +VDR=m See ‘m’ Defaults = ‘C’, BB860980, BFE63883, BB863EE0 Caller ID report Command Reserved Distinctive ringing AllEvent Description +VEM=m See ‘m’ HEX Digit Location EIGHT-DIGIT HEX Code B B 8 6 3 E EEX Value BIT Value Event +VIP Local telephone, or speaker128 Nominal transmit level +VLS=m Preassigned Voice I/O LabelsLabel Primitive Code Description Voice I/O Primitive CodesRelay/Playback Control +VRX +VSD=m See ‘m’ +VSM=? command to obtain supported sampling rates 141 AD3 3-bit Adaptive differential pulse code modulation+VSM=m Range 4800, 7200, 8000, and 11025 samples/second Cml SerialHard Disk Compression Factory default is ‘0’ 100 Default value 1 second100 Range 5-255 units of 0.01 seconds Dual tones may be sent using the following format +VTS=m NoneSpecified by +VTD=m This sends a 500 ms period of silence Command Default Description Register Command Descriptions S10 S16 Range Seconds Default 0 secondsEscape sequences S21 S22 118S25 S30 Modem exits sleep mode whenever the host reads or writes to Modem or when a ring signal is detectedSleep mode is disabled by setting S33 to ‘0’ Inactive state when Caller ID Tags for Formatted Reporting Tag Description Ring Uart Emulation in the Controllerless Modem Uart Emulation in Intelsdb.VxD RBR UartTHR Parallel Host Interface Uart Register Bit Assignments Modem Status Register MSR Uart Register DefinitionsScratch Register SCR Bit Framing error OE Overrun Error-Not supportedLine Status Register LSR Stack IER Interrupt Enable register Procedure is as followsModem Control Register MCR Line Control Register LCR Fifo Control Register FCR Bit ID1 ID0 Interrupt Identity Register IIRInterrupt Control Functions Interrupt Enable Register IER ID bit 2 for Fifo modeTransmitter Holding Register THR Dlab = Receiver Buffer Register RBR Divisor Latch Registers DLM and DLLProgrammable Data Rates Data Rate Divisor Number Divisor Latch Hex Fifo Interrupt Mode Operation Fifo Polled Mode Operation16C550A Uart Fifo Operation 102 536EX Chipset Developer’s Manual 103