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Special AT Commands for Voice Functions

i-modul ISDN HIX V4

14.2

AT Commands for Controlling Voice Connections

Each command is responded by the i-modul ISDN HIX V4. A following command
can only be entered, if a response has been received.
Each AT command for the CODEC control starts with a ":" and the port number
(always "1").

Example:

AT:1CRD1234

Connection

set-up

Responses of CODEC commands always start with a ":"

Example:

:1CONNECT...

Connection

established

Each CODEC based connection is identified by a call reference (1-9). The call refer-
ence is created and processed by the i-modul ISDN HIX V4. This takes place as pa-
rameter for the

RING

message for incoming calls and as result of the command

CR

for outgoing calls. The call reference is released by the application again with the
command

DISC

. All commands related to the connection must use the call refer-

ence.

Default values are printed bold.

Command

Description

AT:1A

Accepting an incoming call
An incoming call is accepted with this command if no automatic call accep-
tance is configured.

An incoming call is indicated by the

RING

mes-

sage.
The call reference is valid from the display of an incoming call or the status
change of a connection request until the execution of the release com-
mand.

AT:1AI<

cr>

Accepts the call with the call reference <

cr>

AT:1AI1

Accepts the call with the call reference 1 at port 1

AT:1CCD

Sending the target address to the network

A target address is sent to the network after an outgoing call
has been initiated without complete target address

(e.g. with the

command

AT:1CR

) with this command.

AT:1CCI<c

r>

D

<da>

I

<cr>

Specifies the call reference

<cr>

D

<da>

Specifies the target address

<da>

(target phone number)

AT:1CCI1D2

Sends the target address 2 for the existing outgoing call
with the call reference 1 at port 1 to the network

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Содержание i-modul ISDN HIX V4

Страница 1: ...Designer s Guide i modul ISDN HIX V4...

Страница 2: ......

Страница 3: ...Inc IBM PC AT XT are registered trademarks of International Business Machine Cor poration INSYS e Mobility LSG and e Mobility PLC are registered trademarks of INSYS MICROELECTRONICS GmbH Windows is a...

Страница 4: ...Automatic Call 21 6 2 1 Configuring an Automatic Call 21 6 2 2 Disabling an Automatic Call 24 6 3 Data flow control 25 6 3 1 Hardware Data Flow Control RTS CTS 25 6 3 2 Software Data Flow Control wit...

Страница 5: ...t the Point To Point Connection 66 15 1 Incoming Voice Call 66 15 2 Outgoing Voice Call 66 16 Example for Handling Connections 67 16 1 Initiating and Ending an Outgoing Data Connection 67 16 2 Initiat...

Страница 6: ...OS compatible 2 4 V LOW level alarm output VOL 0 4 V Input current of GND to internal VCC Typical 0 5 mA Maximum output current for state LOW IOLmax 1 6 mA Maximum output current for state HIGH IOHmax...

Страница 7: ...T command set V25bis async Hotline 108 DTR SMS Sending T Mobile Vodafone E Plus I O 2 inputs 2 outputs Voice functionality yes Table 2 Technological Features 1 3 Certifications The i modul ISDN HIX V4...

Страница 8: ...ht profile Item Type Description P1 SAMTEC TW series 2 row 2 mm pitch or Fischer SLY 6 81 20 Z Serial interface inputs and outputs P2 SAMTEC TW series 2 row 2 mm pitch or Fischer SLY 6 81 6 Z Phone ne...

Страница 9: ...ata Terminal Ready TTL level RS232 signal 13 Output OH Off Hook 14 Output DCD Data Carrier Detect TTL level RS232 signal 15 Output RI Ring Signal TTL level RS232 signal 16 Output DSR Data Set Ready TT...

Страница 10: ...Out Codec analog output max output voltage 1 575 Vpk load capacity Cmax 500 pF output current Imin 1 0 mA load resistance Rmax 1 kOhm output impedance 1 Ohm 2 Output GND OUT Ground for output 3 Input...

Страница 11: ...for activation is recommended to trigger the reset safely Table 7 PIN specifications Reset input 2 5 2 Indication Signals Pin Signal Type Description 13 OH Output This output indicates Off Hook of th...

Страница 12: ...Connections i modul ISDN HIX V4 2 6 Connection Example for Serial Interface Figure 4 Connection example of the serial interface 12...

Страница 13: ...i modul ISDN HIX V4 Connections 2 7 Connection Example for Codec Interface Figure 5 Connection example for codec interface Figure 6 Connecting the codec interface with electret microphone 13...

Страница 14: ...ers of the i modul ISDN HIX V4 exceed a certain level An application can also prompt the i modul ISDN HIX V4 via a control line to interrupt the data flow As an alternative the i modul ISDN HIX V4 can...

Страница 15: ...or not An arrow will indicate prerequisites which must be fulfilled to be able to process the subsequent steps in a meaningful way You will also learn which software or which equipment you will need...

Страница 16: ...le direct connection of the serial interface of the i modul ISDN HIX V4 with a typical RS232 interface of a PC overloads components of the module due to the higher voltage levels Use an RS232 level co...

Страница 17: ...tep 3 mmands can be found in the chapter AT d i at all settings are stored safely and are available for the next restart 4 Configure the i modul ISDN HIX V4 using AT commands A reference of the AT co...

Страница 18: ...oming connection in the same way For this the application or the PC with the terminal program must support the hardware data flow control at the serial interface otherwise the i modul ISDN HIX V4 does...

Страница 19: ...ng a data connection use the escape sequence No data must be transmitted for 1 second before and after that the i modul ISDN HIX V4 changes to command mode In order to change from command mode to norm...

Страница 20: ...modul ISDN HIX V4 evaluates a connection of the input to ground as alarm If no positive edge is counted at least 4 seconds after the negative edge an alarm will be processed A pause of at least 5 seco...

Страница 21: ...o configure an automatic call change to the Configurator mode of the i modul ISDN HIX V4 and enter the target phone number first then select the trigger for the connection establishment and set the re...

Страница 22: ...aud rate at the serial interface which is set during the automatic call use the command The automatic baud rate detection is disabled during the automatic call br n In order to view the configurable b...

Страница 23: ...ry n In order to configure an idle time after which the connection is terminated if no data are transmitted use the command Replace n with a value in seconds Select n 0 to disable this function idle n...

Страница 24: ...e i modul ISDN HIX V4 The serial interface speed is configured to 9600 bps 1 Perform a reset of the i modul ISDN HIX V4 2 The terminal program displays the message press CR CR ESC ESC to enter TA Conf...

Страница 25: ...the CTS line to low and will thus indicate to the application to interrupt the data flow When the buffer is emptied sufficiently for the i modul ISDN HIX V4 to be able to receive data again the CTS li...

Страница 26: ...end an XON character to the application This character will cause the application to send data to the i modul ISDN HIX V4 again Analogously the application can insert XON XOFF characters into the data...

Страница 27: ...i modul ISDN HIX V4 1 Configure the B channel protocol X 75 at the local i modul ISDN HIX V4 using the command ATB10 2 Establish an ISDN connection to the Remote TA using the AT dialling command Use...

Страница 28: ...efault setting Configuration with AT commands In order to determine a separate remote configuration number use the command AT rmsn phonenumber 6 4 3 Configuring the Remote Configuration Password You c...

Страница 29: ...guration The list is empty as default setting Configuration with AT commands In order to output the phone number of a caller together with the RING message in the terminal window use the command ATV2...

Страница 30: ...save the settings use the command AT W 6 5 2 Configuration at Point to Point Interface PTP Point to Point You can operate the i modul ISDN HIX V4 at a point to point interface A point to point interf...

Страница 31: ...s changed by a switch command The state of the outputs can be queried in the status registers S registers S14 output 1 and S15 output 2 Both outputs are not connected to GND in default setting Configu...

Страница 32: ...gurator Commands The entry is not case sensitive The TA Configurator is not active by default when operating via a terminal program Configuration with AT commands In order to use the TA Configurator u...

Страница 33: ...d windows during transmission allows to detect errors and repeat the partial transmission if required 5 Byte transparent voice connection raw B channel data Byte by byte transmission without protocol...

Страница 34: ...esentation This function can be used for example to acknowledge messages which are sent to a mobile phone by an application via the i modul ISDN HIX V4 The CLIP of the caller is output in the format x...

Страница 35: ...mmand Resetting the device to factory default settings is performed using an AT command Configuration with AT commands In order to restart the i modul ISDN HIX V4 use the command AT RESET In order to...

Страница 36: ...ched because it has no line assigned to it The phone number has the right format Enquire at your telephone company or the operator of your telephone exchange what the correct number is Normal call cle...

Страница 37: ...number format error code 349C The party you are calling could not be reached because the number you called is in the wrong format or incomplete No circuit channel available error code 34A2 No B chann...

Страница 38: ...equipment not supported 100B Only external equipment 1101 Wrong application ID 1102 Invalid command or message length 1103 Message queue full 1104 Message queue empty 1105 Message has been lost 1106...

Страница 39: ...nnection termination before data transmis sion 3314 Fax connection termination remote termination 3315 Fax connection termination remote procedure 3316 Fax connection termination local transmitter un...

Страница 40: ...3 13 78 34B7 Incoming calls barred within CUG 3 13 78 34B9 Bearer capability not authorized 3 13 78 34BA Bearer capability not presently available 3 13 78 34BF Service or option not available unspecif...

Страница 41: ...patible with call state or mes sage type non existent or not implemented 3 21 78 34E3 Information element parameter non existent or not implemented 3 21 78 34E4 Invalid information element contents 3...

Страница 42: ...terminal program which supports XMODEM 1k uploads like Hyperterminal Firmware update with a terminal program How to load new firmware to the i modul ISDN HIX V4 You will need a terminal program that s...

Страница 43: ...ng the terminal program If you do not send a firmware file the i modul ISDN terminate the procedure after approx 60 seconds The i modul ISDN HIX V4 indicates the successful upload of the If the firmwa...

Страница 44: ...e History Date Version Description 26 06 2006 1 000 New development 20 07 2006 1 001 No functional changes 12 02 2007 1 002 S register S70 implemented Command AT VMSN added CLIP number is transmitted...

Страница 45: ...sion protocol for data in B channel ATB0 V 110 asynchronous e g for connections to GSM devices ATB1 V 110 synchronous ATB3 HDLC async to sync conversion PPP asynchronous single link PPP e g for intern...

Страница 46: ...after switching on the messages from the i modul ISDN HIX V4 e g RING are sent with a baud rate of 115 200 bit s Autobauding works only with the data format 8N1 ATCONF Starting the INSYS ISDN TA Confi...

Страница 47: ...hone number for a selected B channel connection or X 25 number for X 31 D channel subaddr Dialled sub address UUS1data Transmitted data with UUS1 signalling P Packet size xxx for X 25 connection R Rev...

Страница 48: ...ory AT FL All parameters which refer to the data port are reset AT FL All parameters including ISDN protocol MSN settings and password are reset ATH Terminate connection Terminates an existing ISDN d...

Страница 49: ...te Not valid for Socket ISDN and Pocket ISDN ATN Configures transmission baud rate V 110 Configures the transmission baud rate of the i modul ISDN HIX V4 to the desired value Only valid for V 110 asyn...

Страница 50: ...f the S registers refer to section 1 AT S DSR Processing Configures the behaviour of the DSR control line of the i modul ISDN HIX V4 AT S i modul ISDN HIX V4 control line DSR is always ON AT S1 DSR ON...

Страница 51: ...ge RINGING is dis played AT W Saves the active configuration The active configuration is saved to the non volatile memory ATX Reduced result messages Reduces the number of result messages after attemp...

Страница 52: ...vice Center Number for SMS dispatch gateway x 2 Mobile phone number SMS recipient for alarm 2 x 3 Mobile phone number SMS recipient for alarm 1 Note AT Z3 nn defines the recipient number for both alar...

Страница 53: ...dress 03 The value changes with configuring the B channel protocol ATBx AT K Configures layer 2 window size Sets the window size x of the layer 2 B channel protocol x 1 7 de fault 7 AT K x The default...

Страница 54: ...State disconnected CdPN CgPN prev error 0 Bch Prot Async HDLC State disconnected CdPN CgPN Serial line Displays the states of the serial line signals ISDN Displays the state of the ISDN connection L1...

Страница 55: ...mer default 5 s S1 Ring tone counter read only S2 Escape character default 43h S3 Return character default 0Dh S4 Line feed character default 0Ah S5 Backspace character default 1Ah S7 Waiting time for...

Страница 56: ...n cmds Configure command interpreter cnr x Configure phone number dbits Data format serial defa Load default settings dhtc Configure highest 2 way channel dltc Configure lowest 2 way channel dte Confi...

Страница 57: ...ts Number of stop bits sertrc Serial link trace shidle Short hold Idle data timeout shto Short hold Call timeout to abort shpa Short hold Call pause shtry Short hold Max number of connection attempts...

Страница 58: ...ple subscriber number for incoming calls msni and outgoing calls msno for the data port If the number is configured to default all incoming calls are ac cepted Both values msni and msno can be display...

Страница 59: ...20 asynchronous ATB20 X 31 B channel X 25 B channel option ATB21 X 31 D channel option ATB31 Multilink PPP ATB40 external IOM ATB43 external data ATB45 external audio data ATS70 Enable Codec port This...

Страница 60: ...elated to the connection must use the call refer ence Default values are printed bold Command Description AT 1A Accepting an incoming call An incoming call is accepted with this command if no automati...

Страница 61: ...ee party conference call is initiated with this command The B channel used with this is the one of the active connection AT 1C3PTYI cr IH cr2 Initiates a three party conference call with the call refe...

Страница 62: ...an alarm request for the existing incoming call with the call reference cr AT 1RAI1 Initiates an alarm request for the existing incoming call with the call reference 1 at port 1 Table 16 Overview of t...

Страница 63: ...icates that the next dialled number 9 has been received at port 1 with the call reference 1 1RINGIDOB Incoming call This response indicates an incoming call 1RINGI cr D da O oa B xx I cr Specifies the...

Страница 64: ...nection request has been accepted and a ring signal has been issued at the called remote terminal 1RINGINGI cr I cr Specifies the call reference cr 1RINGINGI1 Indicates an outgoing connection at port...

Страница 65: ...output of B channel data which have been received via the ISDN line via the V 24 interface Note Only possible if ATB5 is configured ATRCVDATA 0 Disables the reception of data from the ISDN line ATRCVD...

Страница 66: ...are indicated by the INFO message overlapping entry If the received number is complete the application has to send a request alarm mes sage which initiates the ringing tone for the caller 1RINGI1D224...

Страница 67: ...minating a connection OK OK Table 19 Sequence of initiating and ending an outgoing data connection 16 2 Initiating and Ending an Outgoing Voice Connection AT command from applica tion or via terminal...

Страница 68: ...ll at i modul ISDN HIX V4 Target is dialling AT C Checking received transmission service Selecting for voice or data call 0004 0001 Voice 0002 Data 0004 3 1 kHz Audio 0010 Telephony ATB40 Selecting an...

Страница 69: ...D123 Initiating an outgoing call to 123 1CRAI1B01 Connection request accepted 1RINGINGI1 Call signal to remote terminal Remote terminal accepts call 1CONNECTI1D123O234B01 Connection established AT 1CH...

Страница 70: ...ication Interface Terminal Strip P1 The TTL RS232 interface should be equipped with ferrite beads directly at the module to reduce interference signals from the motherboard It is also beneficial to de...

Страница 71: ...round connections of the motherboard To save costs some of the above mentioned capacitors or ferrite beads may be omitted However they should be considered in the layout to be able to integrate it wit...

Страница 72: ...ut in the Council Directive on the Approximation of the Laws of the Member States relating to Electromagnetic Compatibility 2004 108 EC and the Council Directive relating to Low Voltage 2006 95 EC as...

Страница 73: ...Configurator commands 57 Table 15 Overview of the AT commands for accepting voice connections 59 Table 16 Overview of the AT commands for controlling voice connections 62 Table 17 Overview of the res...

Страница 74: ...ne 25 Current configuration 50 Data connection 18 Data flow control 25 49 DCD processing 46 Default settings 35 48 Destination out of order 37 Dialling table 21 DSR processing 50 DTE address not valid...

Страница 75: ...ppression 49 Result messages 51 Return character 55 RING message 29 Ring tone 18 19 Ring tone counter 55 RS232 9 S Register 55 Serial interface 12 Software data flow control 26 Standard 7 Status alarm...

Страница 76: ......

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