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  product photo/illustration GR47/gr48 at commands manual
the information contained in this docume nt is the proprietary information of sony ericsson mobile communications international. the contents are confidential and any disclosure to persons other than th e officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of sony ericsson mobile communications international, is strictly prohibited. further, no portion of this publication may be repr oduced, stored in a retrieval system, or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, withou t the prior written consent of sony ericsson mobile communications international, the copyright holder. fourth edition (february 2004) sony ericsson mobile communications international publishes this manual without making any warranty as to the content contained herein. further sony ericsson mobile communications international reserves the right to make modifications, additions and deletions to this manual due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time and without notice. such changes will, nevertheless be incorporat ed into new editions of this manual. all rights reserved. ? sony ericsson mobile communications international, 2003 publication number: lzt 123 7590 r1d printed in uk
3 lzt 123 7590 r1d contents introduction to at commands ...................................................................................... 9 related documentation .............................................................................................. 9 overview ..................................................................................................... 9 syntax description ..................................................................................................... 9 error codes ................................................................................................... 13 examples on how to use the at commands ........................................................... 15 sms text mode ................................................................................................... 15 gprs communication ............................................................................................. 17 call control................................................................................................................... .. 19 at+cpin pin control .............................................................................. 19 ata answer incoming call ............................................................... 19 atd dial ........................................................................................... 20 ath hang up .................................................................................... 22 atl monitor speaker loudness ......................................................... 22 ato return to online data mode ..................................................... 23 atp select pulse dialling .................................................................. 23 att select tone dialling .................................................................. 23 atx call progress monitoring control .............................................. 24 at+chup hang up call ............................................................................. 24 at+cmod call mode .................................................................................. 25 at+cvhu voice hang-up ......................................................................... 26 at+vtd dtmf tone duration ................................................................. 26 at+vts dtmf and tone generation ...................................................... 27 control and status.......................................................................................................... 28 atq result code suppression ............................................................ 28 ats0 automatic answer control ........................................................ 28 ats2 escape sequence character ......................................................... 29 ats3 command line termin ation character ...................................... 29 ats4 response formatting character ................................................. 30 ats5 command line editing character (backspace) ..................... 31 ats6 blind dial delay control ........................................................... 31 ats7 connection completion timeout ............................................... 32 ats8 comma dial modifier delay control ......................................... 32 ats10 automatic disconnect delay control ......................................... 33 at*ecam ericsson call monitoring ........................................................... 33 at*edst ericsson daylight saving time .................................................. 35 at*emar ericsson master reset ................................................................ 36 at*epee ericsson pin event ..................................................................... 37 at+cala set alarm .................................................................................. 38
4 lzt 123 7590 r1d at+cald alarm delete ............................................................................. 40 at+cclk set clock and date .................................................................... 40 at+ceer extended error report ............................................................... 41 at+cfun set me functionality ................................................................. 41 at+cind indicator control ....................................................................... 42 at+clac list all available at commands ................................................. 43 at+cmee mobile equipment error ............................................................ 43 at+cmer mobile equipment event reporting .......................................... 44 at+cpas me activity status .................................................................... 45 at+cpin pin control .............................................................................. 47 at+cpwd change password ....................................................................... 49 at+cr service reporting control .......................................................... 51 at+crc cellular result code .................................................................. 51 at+csas save settings .............................................................................. 52 at+csq signal strength .......................................................................... 53 at+ctzu automatic time zone update ................................................... 54 audio .......................................................................................................................... .... 55 at*e2eams ericsson m2m audio profile modification ................................. 55 at*e2apr m2m audio profile manipulation .............................................. 59 at*ealr ericsson audio line request ...................................................... 61 at*eams ericsson audio mode selection .................................................. 62 at*ears ericsson audio ring signal ....................................................... 63 at*e2phfb portable handsfree button sense enable .................................... 64 at*elam ericsson local audio mode ........................................................ 64 at*emic ericsson microphone mode ........................................................ 65 at*emir ericsson music mute indication request ................................... 65 at*esma ericsson set message alert sound .............................................. 66 atm monitor speaker control ............................................................ 66 at*eril ericsson ring level set .............................................................. 67 at*erin ericsson ring set ....................................................................... 68 at*erip ericsson ring signal playback command .................................. 70 data - csd/hscsd ........................................................................................................ 71 at+cbst select bearer service type .......................................................... 71 at+crlp radio link protocol ................................................................... 72 data - gprs ................................................................................................................... 7 4 at+cgact pdp context activate or deactivate .......................................... 74 at+cgatt gprs attach or detach ............................................................. 75 at+cgdata enter data state ......................................................................... 76 at+cgdcont define pdp context .................................................................. 77 at+cgerep gprs event reporting .............................................................. 78 at+cgpaddr show pdp address .................................................................. 79 at+cgqmin quality of service profile (minimum acceptable) ...................... 80
5 lzt 123 7590 r1d at+cgqreq quality of service profile (requested) ........................................ 82 at+cgreg gprs network registration status ........................................... 85 at+cgsms select service fo r mo sms me ssages .......................................... 86 data - tcp/ip................................................................................................................. 8 7 at*e2ipa m2m ip activate ....................................................................... 87 at*e2ipo m2m ip connect/open ............................................................. 89 at*e2ipc m2m ip close connection ......................................................... 91 at*e2ipi m2m ip info ............................................................................. 92 at*e2iprh m2m ip resolve host ............................................................... 93 at*e2ipe m2m ip last error .................................................................... 94 at*e2ips m2m ip setup ip parameters ..................................................... 95 at*enad ericsson internet account define ............................................... 97 data - hscsd............................................................................................................... 101 at+chsc hscsd current call parameters .............................................. 101 at+chsd hscsd device parameters ....................................................... 102 at+chsn hscsd non transpar ent call configuration ........................... 103 at+chsr hscsd parameters report ...................................................... 104 at+chsu hscsd automatic user initiated upgrading .......................... 105 gps interoperability .................................................................................................... 106 at*eenmea nmea (gps) mode on uart2 .............................................. 106 at*e2nmpr ericsson m2m set nmea (gps) port rate .............................. 107 fax ............................................................................................................................ .... 109 at*e2fax ericsson m2m fax comm. baud rate modification ................. 109 low level fax commands ...................................................................................... 110 identification................................................................................................................ 1 11 at attention command ................................................................ 111 at&f set to factory defined configuration ....................................... 111 at&w store user profile ..................................................................... 111 at* list all supported at commands ............................................ 112 at+cgmi read ms manufacturer identification ...................................... 112 at+cgmm read ms model identification ................................................. 112 at+cgmr read ms revision identification .............................................. 113 at+cgsn read ms product serial number identification ....................... 114 at+gmi read manufacturer identification ............................................. 114 at+gmm read model identification ....................................................... 115 at+gmr read revision identification .................................................... 115 ati identification information ........................................................ 116 input/output................................................................................................................ 118 at*e2io ericsson m2m input/output read/write ................................ 118
6 lzt 123 7590 r1d at*e2u3 ericsson m2m uart 3 control .............................................. 126 at*e2rs232 ericsson rs232 control mode .................................................. 127 interface...................................................................................................................... .. 129 at+cpin pin control ............................................................................ 129 at&c circuit 109 (dcd) control ...................................................... 129 at&d circuit 108 (dtr) response .................................................... 129 at&s circuit 107 (dsr) response .................................................... 130 at+ws46 mode selection ........................................................................ 130 ate command echo ....................................................................... 131 atv dce response format ............................................................. 131 atz reset to default configuration ................................................ 132 at+cmux switch to 07.10 multiplex protocol ......................................... 133 at+cres restore sms settings ............................................................... 134 at+icf cable interface character format ............................................. 135 at+ifc dte-dce local flow control ................................................. 136 at+ilrr cable interface local rate reporting ....................................... 136 at+ipr cable interface port command ................................................ 137 at*e2spi serial peripheral interface ........................................................ 138 at*e2esc m2m escape sequence guard time ......................................... 140 network........................................................................................................................ 141 at*e2cd ericsson m2m cell description ............................................... 141 at*e2emm ericsson m2m engin eering monitoring mode ......................... 143 at*e2spn m2m service provider indication ............................................. 149 at*eals ericsson request als status .................................................... 149 at*ecsp ericsson customer service profile ............................................ 150 at*epnr ericsson read sim preferred network ..................................... 151 at*epnw ericsson write sim preferred network .................................... 152 at*e2ssn ericsson m2m sim serial number ........................................... 153 at*esln ericsson set line name ............................................................ 154 at+cimi subscriber identification .......................................................... 155 at+clck facility lock ............................................................................ 155 at+cnum subscriber number .................................................................. 157 at+colp connected line iden tification presentation .............................. 158 at+cops operator selection ................................................................... 160 at+creg network registration .............................................................. 161 at*ecpi ciphering indicator ................................................................. 162 at*e2nbts ericsson m2m neighbour bts ................................................ 164 phonebook.................................................................................................................... 16 6 at*e2pbcs ericsson m2m phonebook check sum ..................................... 166 at*esag ericsson add to group ............................................................ 166 at*escg ericsson create group ............................................................. 167 at*escn ericsson set credit card number ............................................ 168
7 lzt 123 7590 r1d at*esdg ericsson delete group ............................................................. 170 at*esdi ericsson delete group item ..................................................... 170 at*esgr ericsson group read ............................................................... 171 at*egir ericsson group item read ....................................................... 171 at*esil ericsson silence command ....................................................... 172 at*esnu ericsson settings number ........................................................ 173 at+cpbf phonebook find ....................................................................... 174 at+cpbr phonebook read ...................................................................... 174 at+cpbs me storage .............................................................................. 176 at+cpbw phonebook write .................................................................... 177 short message services - point to point ..................................................................... 179 at+cgsms select service fo r mo sms messages ........................................ 179 at+cpms preferred message storage ........................................................ 179 at+csca service centre address ............................................................. 181 at+cmgf message format ....................................................................... 182 at+cmgw write message to memory ....................................................... 182 at+cmgs send message ........................................................................... 184 at+cmss send from storage ................................................................... 188 at+cmgc send command ........................................................................ 189 at+cnmi new message indications to te ............................................... 192 at+cmgr read message .......................................................................... 196 at+cmgl list message ............................................................................ 202 at+cmgd delete message ........................................................................ 208 at+csdh show text mode parameters .................................................... 208 at+csmp set text mode parameters ........................................................ 209 at+cscs select character set .................................................................. 210 at+csms select message service .............................................................. 211 at*e2smsri ring indicator for sms ........................................................... 212 short message services - cell broadcast..................................................................... 214 at+cnmi new message indications to te ............................................... 214 at+cscb select cell broadcast message type ......................................... 214 sim application toolkit.............................................................................................. 215 at*e2stks sim application toolkit settings ............................................ 215 at*e2stkd m2m stk display text .......................................................... 216 at*e2stkg m2m st k get inkey ............................................................... 217 at*e2stki m2m stk get input ............................................................... 219 at*e2stkl m2m stk select item ............................................................. 222 at*e2stkm m2m stk set up menu .......................................................... 224 at*e2stkn m2m stk envelope (menu selection) ..................................... 226 at*e2stkc m2m stk set up call ............................................................ 226 *e2stke stk send short message .......................................................... 228 *e2stkp stk send ss ............................................................................ 228
8 lzt 123 7590 r1d *e2stku stk send ussd ...................................................................... 229 *e2stkr stk refresh ............................................................................ 230 at*e2stkto sim application toolkit settings ........................................... 231 supplementary services............................................................................................... 233 at+cpin pin control ............................................................................ 233 at+cacm accumulated call meter .......................................................... 233 at+camm accumulated call meter maximum ......................................... 234 at+caoc advice of charge ..................................................................... 235 at+cpuc price per unit and currency table .......................................... 236 at*edif ericsson divert function ......................................................... 237 at*eips identity presentation set .......................................................... 238 at*elin ericsson line set ...................................................................... 239 at*e2ssd m2m supplementary service dispatch ..................................... 239 at*e2ssi m2m supplementary service indications ................................. 240 at+ccfc call forwarding number and conditions ................................. 245 at+ccwa call waiting ............................................................................ 247 at+chld call hold and multiparty ........................................................ 249 at+clip calling line identification ....................................................... 251 at+clir calling line identification restriction ..................................... 252 at+cssn supplementary service notification ......................................... 253 at+cusd unstructured supplementary service data ............................... 255 embedded application ................................................................................................ 258 at*e2apc application program control ................................................... 258 at*e2apd application program download ............................................... 261 xmodem-crc protocol (ccitt) ........................................................................... 264 environmental.............................................................................................................. 266 at*e2otr operational te mperature reporting ....................................... 266 alphabetical listing of at commands ...................................................................... 268
9 lzt 123 7590 r1d 1. introduction to at commands this manual lists detailed information on the function of the at command set that can be used with your GR47 or gr48. note! this manual refers to the GR47 and gr48 as radio devices. if there is a difference in the functionality of the radio devices the GR47 and gr48 information will be listed separately. 1.1 related documentation this manual is supplied with an integrator?s manual when you purchase a GR47 or the gr48. if you choose to use the m2 m power support environment with your module you will also receive an application guide. 1.2 overview at commands, issued from a computer in your application are used to control and implement the functions of the module. using at commands, the fo llowing actions are possible:  control of dce gprs  call control  supplementary service  sim application tool kit the GR47 contains a large number of ericsson-specific commands in addition to those implemented in accordance with the gsm and itu-t recommendations. these commands are provided to enhance the functions of the module. the ericsson-specifi c commands are identified by the asterisk that precedes the command (see the syntax description provided below). note! only commands that are listed in the at commands manual are supported unless otherwise stated. other commands may be listed by the module but these are only included for hi storical or legacy reasons. 1.3 syntax description this section provides a brief descript ion of the syntax used for the GR47, at command set. see the itu-t recomm endation v.25ter for additional information.
1. introduction to at commands 10 lzt 123 7590 r1d 1.3.1 conventions in this manual, the following conven tions are used to explain the at commands. the name of the command that is to be entered. the parameter values that are defined for a certain command. the command line is terminated by the carriage return (or enter key) or ats3 command. line feed character or ats4 command. < > the term enclosed in angle brackets is a syntactical element. the brackets do not appear in the command line. [ ] square brackets are used to indicate that a certain item is optional. for example, sub-parameters of a command or an optional part of a response. the brackets do not appear in the command line. value the default values of the supported parameters are indicated by using bold text when presenting the value.  other characters, including ???, ? = ?, parenthesis, etc., appear in commands and responses as written.  the final result codes ok, error, +cme error: and cms error: (see sections 1.3.3, at response syntax and 1.4, error codes) are not listed under ?possible responses? for each at command.  ok and error are listed if these are the only possible responses. 1.3.2 at command syntax the at standard is a line-oriented command language. each command is made up of the following three elements:  the prefix;  the body;  the termination character. the prefix consists of the letters ?at?, which are derived from the first two letters of the word attention. the body is made up of the command, the parameter, and if applicable the associated values . commands may be combined in the same command line. spaces between the individual bodies are ignored. basic syntax command the format of basic syntax commands is as follows: at[=][]
1. introduction to at commands 11 lzt 123 7590 r1d example! atl=0 (sets the volume of the speaker) additional commands may follow a command on the same command line without any character being required for separation. for the command d parameters, see the description for the command in question. a version of the basic syntax is: at extended syntax command ? at+= []  at*=[] example! at+cfun=0 (powers down the module) if several values are included in the command, they are separated by commas. it is also possible to enter commands with no values. additional commands may follow an extended syntax command on the same command line if a semicolon ( ; ira 3b) is inserted after the preceeding extended command as a separator. read command syntax the read command is used to check the current values of parameters. type ???, after the command line:  at+?  at *?  at? example! at+cscs? (show current character set) ?ira? (information text response) ok (final result code response) test command syntax the test command is used to test whether the command has been implemented or to give information about the type of subparameters it contains. type ???, after the command line:  at+=?  at *=? example! at+cpas=? (shows supported values fo r the response parameters) cpas: (0, 3, 4, 129, 130, 131) (supported values) ok (final result code)
1. introduction to at commands 12 lzt 123 7590 r1d if the indicated is not recognized, the result code error is issued. note! possible responses are indicated both as :(list of supported) and (in most cases) the actual range of the parameter values. 1.3.3 at response syntax the default mode response shown below, is in text mode. see the command v for further details. possible formats for the result codes are:  basic format result code, such as ok. the basic result code also has a numerical equivalent.  extended format result code, prefixed with a plus sign (+) or an asterisk (*): ? at+: ? at*: where the is the result code value, note that a single space character separates the colon character from the . if several values are included in the result code, they are separated by commas. it is also possible that a result code has no value. the extended syntax result codes have no numerical equivalent. they are always issued in alphabetical form.  information text response may contain multiple lines separated by . the te detects the end of informational text responses by looking for a final result code response, such as ok. there are two types of result code responses as outlined below: final result code a final result code indicates to the te that execution of the command is completed and another command may be issued.  if you type an implemented at command, you should get the result code ok.  if you type an at command that is not implemented, or which had the wrong parameter or syntax, you will get an error result code. it is error or, for example, + error followed by an error code. final result codes are: value general meaning ok command executed, no errors error invalid command or command line too long
1. introduction to at commands 13 lzt 123 7590 r1d no dialtone no dialling possible, wrong mode busy remote station busy no answer connection completion time-out no carrier link not established or disconnected unsolicited result code unsolicited result codes indicate the occurrence of an ev ent not directly associated with a command being issued from the te. 1.4 error codes 1.4.1 +cme error (mobile equipment error code) this final result code is similar to the regular error result code. if +cme error: is the result code for any of the commands in a command line, none of the commands in the same command line will be executed (neither error nor ok result code shall be returned as a result of a completed command line execution). the format of can be either numerical or alphabetical, and is set with the +cmee command. the table below provides the numerical values for the parameter . description syntax 0 me failure 1 no connection to me 2 me -adaptor link reserved 3 operation not allowed 4 operation not supported 5ph-sim pin required 10 sim not inserted 11 sim pin required 12 sim puk required 13 sim failure 14 sim busy 15 sim wrong 16 incorrect password 17 sim pin2 required 18 sim puk2 required 20 memory full 21 invalid index
1. introduction to at commands 14 lzt 123 7590 r1d 1.4.2 +cms error (message service failure result code) this final result code indicates an error related to mobile equipment or to the network. the operation is similar to the error result code. none of the following commands in the same command line will be executed. neither error nor ok result code wi ll be returned. error is returned normally when an error is related to syntax or invalid parameters. nevertheless, it always appears when a command fails. the syntax is as follows: +cms error: values for the parameter are described in the following table. 22 not found 23 memory failure 24 text string too long 25 invalid characters in text string 26 dial string too long 27 invalid characters in dial string 30 no network service 31 network time-out 32 network not allowed - emergency calls only 100 unknown 101- 255 reserved by ets description syntax description 0 - 127 gsm 04.11 annex e-2 values 128 - 255 gsm 03.40 subclause 9.2.3.22 values 300 me failure 301 sms service of me reserved 302 operation not allowed 303 operation not supported 304 invalid pdu mode parameter 305 invalid text mode parameter 310 sim not inserted 311 sim pin required 312 ph-sim pin required
1. introduction to at commands 15 lzt 123 7590 r1d 1.5 examples on how to use the at commands for many of the more complicated co mmands, examples are provided after the command?s description. always refer to the detailed description of the command in question to check valid parameter values, at command syntax and response syntax. 1.6 sms text mode sms text mode allows users to send smss without having to understand how pdus are constructed. this sectio n describes how to carry out basic operations in text mode and explains the steps that need to be taken. basic transmission of sms a script which sets the module up is shown below: at+csdh=1 enable the use of text mode parameters ok at+csmp=17,167 set text mode parameter ok at+cmgf=1 switch the module to text mode ok at+cmgs=?07787154042? sending an sms 313 sim failure 314 sim busy 315 sim wrong 316 sim puk required 317 sim pin2 required 318 sim puk2 required 320 memory failure 321 invalid memory index 322 memory full 330 smsc address unknown 331 no network service 332 network time-out 340 no + cnma acknowledgment expected 500 unknown error - 511 other values in range 256 - 511 are reserved 512- manufacturer specific description
1. introduction to at commands 16 lzt 123 7590 r1d > test sms ? the text must be ended, as in pdu mode, with a control-z character +cmgs: 204 confirmation that the sms has been sent successfully ok note the following points: 1. once the csdh, csmp and cmgf commands have been carried out they will not need to be initialized for this session. 2. these parameters are saved in nvram using the &w command. notification of sms new message indications are similar to the pdu mode as shown below: at+cnmi=3,1 ok +cmti: ?sm?,2 at+cnmi=3,2 ok +cmt: ?+447747008670?,?matt l?,?02/11/19,09:58:42+00?,145,36,0,0,?+447785016005? ,145,8 test sms please note that currently the cmt indication does not have a cr/lf appended to the end of the sms data. if the sms contains one it will be displayed. otherwise the application will need to recognize the cmt line and the length character, in this case 8 and count the characters into its input buffer. reading messages reading messages is performed as in pdu mode. at+cmgr=2 +cmgr: ?rec unread?,?+447747008670?,?matt l?,?02/11/ 19,09:57:28+00?,145,36,0,0,? +447785016005?,145,8 test sms ok
1. introduction to at commands 17 lzt 123 7590 r1d listing messages in pdu mode numbers are used as parameters. in text mode letters are used instead and these must be upper case as the module does not accept lower case commands. see the example below: at+cmgl=?all? +cmgl: 1,?rec read?,?+447747008670?,?matt l?,?02/10/ 21,10:07:23+04?,145,4 test +cmgl: 2,?rec read?,?+447747008670?,?matt l?,?02/11/ 19,09:57:28+00?,145,8 test sms +cmgl: 3,?rec unread?,?+447747008670?,?matt l?,?02/11/ 19,09:58:06+00?,145,8 test sms ok 1.7 gprs communication to initiate a session with the networ k you need to setup a ?data account? on the module, using the at+cgdcont command. you need to specify the correct access point name (apn), which you get from your service provider. the command below sets up the data account to access vodafone?s internet server. at+cgdcont=1,?ip?,?internet? after this you need to use the atd command to make a gprs call. the example below dials into the network using account number 1 (the GR47 supports up to 10): atd*99***1# if the module is able to connect to the apn it will return a connect. at this point ppp/ip packets should be sent by the application, to negotiate an ip address. the easiest way of doing this whole thing is to create a windows dial up networking session with the dial string *99***1# after creating the data account on the module. it is not possible to call a mobile stati on using gprs at present. the reason for this is that unless a pdp context has been setup it has not been assigned an ip address by the ggsn/dhcp serv er and as a result it cannot be addressed other than through its me num ber (defeating the object of using ip). this is specified in gsm 7.60 or 3gpp 27.060. more detailed notes on this are contained in the application notes which can be obtained from the extranet or from customer support.
1. introduction to at commands 18 lzt 123 7590 r1d 1.7.1 on board tcp/ip stack the tcp/ip stack on board the module is accessible via the at commands, these commands are broken down in section 7, for details on how to use these please refer to the 'using at co mmands to control the on board tcp- ip stack with GR47/48', this is available through the extranet or from customer support, quote GR47/48 application note lzt 123 7631.
19 lzt 123 7590 r1d 2. call control 2.1 at+cpin pin control see 3.25, at+cpin pin control 2.2 ata answer incoming call answer and initiate connection to an incoming call. description command possible responses answer an incoming call ata ?connect connect no carrier error ok description 19200 connected with data bit rate of 19200 bits/s (hscsd) 9600 connected with data bit rate of 9600 bits/s 4800 connected with data bit rate of 4800 bits/s 2400 connected with data bit rate of 2400 bits/s
2. call control 20 lzt 123 7590 r1d 2.3 atd dial used to initiate a me connection, which may be data or voice (me number terminated by semicolon). the me number used to establish the connection will consist of digits and modifiers, or a stored number specification. if the dial string is followed by a semicolon this informs the me that the number is a voice rather than a data number. if the dial string is omitted, and the semicolon included, the command instructs the me to do a network detect. if the network is available ok is returned. abortability: aborting an atd command is accomplished by the transmission from the dte to the dce of any character. a si ngle character shall be sufficient to abort the command in progress; however, characters transmitted during description command possible responses  originate a call and dial the me number specified in the command as or  do a network detect atd[;] connect connect no carrier error no dial tone busy ok dial the me number stored in the me which is located by the index atd>me[;]  connect connect no carrier error no dial tone busy ok dial the me number stored in the sim card which is located by the index atd>sm[;] connect connect no carrier error no dial tone busy ok dial the me number stored in the last dialled number list on the sim card, which is located by the index the most recently dialled number is assumed to have ="1" atd>ld[;]  connect connect no carrier error no dial tone busy ok redial the last me number dialled. ericsson specific atdl[;] ...
2. call control 21 lzt 123 7590 r1d the first 125 milliseconds after transmi ssion of the termination character are ignored. this is to allow the dte to append additional control characters such as line feed after the command line termination character. example atd07747008670; ok description ?0 1 2 3 4 5 6 7 8 9 * # +? valid characters for origination w the w modifier is ignored but is included only for compatibility purposes , the comma modifier is ignored but is included only for compatibility purposes t the t modifier is ignored but is included only for compatibility purposes p the p modifier is ignored but is included only for compatibility purposes description connect if connection is successfully established, only valid for data connections connect if connection is successfully established, only valid for data connections no carrier unable to establish a connection or the connection attempt was aborted by the user error an unexpected error occurred while trying to establish the connection no dialtone the me is being used for a voice call or is not within coverage of the network busy the me number called is engaged, valid for data and voice connections ok only valid for voice connections description 19200 connected with data bit rate of 19200 bits/s (hscsd) 9600 connected with data bit rate of 9600 bits/s 4800 connected with data bit rate of 4800 bits/s 2400 connected with data bit rate of 2400 bits/s
2. call control 22 lzt 123 7590 r1d 2.4 ath hang up signals the ms to terminate an active call. 2.5 atl monitor speaker loudness included for compatibility. it is recommended to use the at*e2eams command which provides comprehensiv e control of all the audio settings. the settings from at*e2eams can be saved using at*e2apr, but those from atl cannot be saved. atl can be used to modify the volume during a call, but any changes are lost at the end of the call. description command possible responses terminate the call ath error ok description command possible responses request monitor speaker loudness atl[] ok error show the current setting atl? l: show if the command is supported atl=? l: (list of supported s) description 0 -14 db (minimum speaker volume) 1-10.5 db 2 -7 db 3 -3.5 db 4 0 db (nominal speaker volume) 53.5 db 6 7 db 710.5 db 8 14 db (maximum speaker volume)
2. call control 23 lzt 123 7590 r1d 2.6 ato return to online data mode switch to the on-line data mode from the on-line command mode during an active call. returns error when not in on-line command mode. 2.7 atp select pulse dialling command is ignored, and is implement ed for compatibility only. it would normally cause the next d command to use pulses when dialling the number. 2.8 att select tone dialling command is ignored, and is implement ed for compatibility only. it would normally cause the next d command to use tones when dialling the number. description command possible responses return to on-line data mode ato[] connect connect no carrier error description 0 return to on-line data st ate from on-line command description command possible responses select pulse dialling atp ok show if the command is supported atp=? ok description command possible responses select tone dialling att ok show if the command is supported att=? ok
2. call control 24 lzt 123 7590 r1d 2.9 atx call progress monitoring control defines if the dial-tone detection and busy-tone detection are to be used during a call set-up. note! if there is no network available the parameter will decide if ?no dialtone? or ?no carrier? will be returned. if the call recipient is busy, the parameter will decide if ?busy? or ?no carrier? will be returned. 2.10 at+chup hang up call causes the ta to hang-up the current call of the me. if no call is present, but an incomi ng call is notified, then the incoming call shall be rejected. description command possible responses set call progress monitoring control atx=[] or atx[] ok error show the current setting atx? x: show if the command is supported atx=? x: (list of supported s) description 0 body and dial tone detection off. no line speed reported on connection 1 body and dial tone detection off. report line speed on connection 2 busy detection on and dial tone detection off. report line speed on connection 3 busy detect off and dial tone on. report line speed on connection 4 busy detect and dial tone detection on. report line speed on connection. default value description command possible responses request hang-up at+chup ok error show if the commands is supported at+chup=?  ok error
2. call control 25 lzt 123 7590 r1d 2.11 at+cmod call mode selects the call mode of further diali ng commands (d) or for next answering command (a). mode can be either single or alternating. in this ets, terms ?alternating mode? and ?alternating cal l? refer to all gsm bearer and teleservices that incorporate more than one basic service (voice, data, fax) within one call. when single mode is selected the ca ll originating and hang-up procedures are similar to procedures specified in itu-t recommendations v.25ter, t.31 and t.32. in gsm there can be voice followed by data (refer to gsm 02.02), alternating voice/data (refer to gsm 02.02) and alternating voice/ fax calls (refer to gsm 02.03). test command returns values support ed by the ta as a compound value. note! +cmod is set to zero after a successfu lly completed alternating mode call. it is set to zero also after a failed answering. the power-up, factory (&f) and user resets (z), also set the value to zero. this reduces the possibility that alternating mode calls are origin ated or answered accidentally. description command possible responses request call mode at+cmod=[] ok error show the current setting at+cmod?  +cmod: ok error show if the command is supported at+cmod=?  +cmod: (list of supported s) ok error description 0 single mode. default value . in order to avoid accidental originating or answering of alternating calls is set to single mode in following cases: - after a successfully completed alternating mode call; - after a unsuccessful answering; - after successfully execution of the commands &f and z
2. call control 26 lzt 123 7590 r1d 2.12 at+cvhu voice hang-up selects whether ath or ?drop dtr? causes a voice connection to be disconnected or not. voice connection also includes alternating mode calls that are currently in voice mode. note! when =2, this command must be viewed in conjunction with the v.25ter command &d, or &d will be ignored. 2.13 at+vtd dtmf tone duration parameter command syntax: description: this refers to an integer that defines the length of tones emitted as a result of the +vts command. this does not affect the d command. a value different than zero causes a tone of duration /10 seconds. the value zero causes a ?manufacturer specific? value. abortability: this command may not be aborted. description command possible responses set command +cvhu=[]  +cme error: ok show the current setting +cvhu?  +cvhu:  +cme error: show if the command is supported +cvhu=? +cvhu: (list of supported s) description 0 ?drop dtr? ignored but ok response given. ath disconnects 1 ?drop dtr? and ath ignored but ok response given 2 ?drop dtr? behavior according to &d setting. ath disconnects. default value description command return set the duration of the tone +vtd= ok error query current setting +vtd? +vtd: list supported values +vtd=? +vtd: (1-255)
2. call control 27 lzt 123 7590 r1d defined values: table 1. : parameter unsolicited result codes: not applicable. execution time: executed immediately, not time critical. 2.14 at+vts dtmf and tone generation this command allows the transmission of dtmf tones. these tones may be used, for example, when announcing the start of a recording period. the command is write only. note! the atd-command is used only for dialing. it is not possible to generate arbitrary dtmf tones using the atd command. note! the at+vts command is used only during a voice call. example atd01252551624; ok at+vts="1,p,2,p,3" ok description integer value between 1 and 255 denoting 1/10?s of second of the duration of the dtmf tones. description command possible responses request transmission of dtmf tone(s) at+vts= ok error show if the command is supported at+vts=? ok error description ascii character string an ascii character string with entries in the set 0-9, # and * separated by commas. each entry is interpreted as a single ascii character. example: the string ?8,9? sends two dtmf tones, ?8? followed by ?9? p is a further valid character which allows a pause of the same width of the tones to be inserted.
28 lzt 123 7590 r1d 3. control and status 3.1 atq result code suppression determines whether or not the dce transmits result codes to the dte. when result codes are being suppressed, no portion of any intermediate, final, or unsolicited result code - h eader, result text, line terminator, or trailer - is transmitted. 3.2 ats0 automatic answer control defines the automatic answering feat ure of the modem. a non-zero value specifies the number of rings before the call is answered. note! call is always answered in the current fax class, regardless of whether the incoming call is voice, data, or fax. description command possible responses set result code suppression atq[=] ok error show the current setting atq? q: show if the command is supported atq=? q: (list of supported s) description 0 dce transmits result codes. default value 1 result codes are suppressed and not transmitted description command possible responses automatic answer control ats0=[] ok error show the current setting ats0? show if the command is supported ats0=? s0: (list of supported s) description 0 disable automatic answer. default value 1-7 answer after the specified number of rings
3. control and status 29 lzt 123 7590 r1d 3.3 ats2 escape sequence character defines the character to be used as the escape sequence character when switching from on-line data mode to on-line command mode. the response to the command is modified to reflect the change. note! if the parameter is set to a value in the range of 128-255, the escape sequence detection is disabled. 3.4 ats3 command line termination character this s-parameter represents the decimal ia5 value of the character recognised by the dce from the dte to terminate an incoming command line. it is also generated by the dce as part of the header, trailer, and terminator for result codes and in formation text, along with the s4 parameter. the previous value of s3 is used to determine the command line termination character for entry of the command line containing the s3 setting command. however, the result code issued uses the value of s3 as set during the processing of the command line. for example, if s3 was previously set to 13 and the command line ?ats3=30? is issued, the description command possible responses set escape sequence character ats2=[] ok error show the current setting ats2? show if the command is supported ats2=? s2: (list of supported s) description 43 escape sequence character. default value 0 to 255 escape sequence character description command possible responses set command line termination character ats3= ok error show the current setting ats3? show if the command is supported ats3=? s3: (list of supported s)
3. control and status 30 lzt 123 7590 r1d command line is terminated with a character (ia5 0/13), but the result code issued uses the character with the ordinal value 30 (ia5 2/14) in place of the . 3.5 ats4 response formatting character this s-parameter represents the decimal ia5 value of the character generated by the dce as part of the header, trailer, and terminator for result codes and information text, al ong with the s3 parameter (see the description of the v parameter for usage). if the value of s4 is changed in a command line, the result code issued in response to that command line will use the new value of s4. description 13 command line termination character, default value 0 to 127 command line termination character description command possible responses set response formatting character ats4= ok error show the current setting ats4? show if the command is supported ats4=? s4: (list of supported s) description 10 formatting character. default value note: ascii character 10 is equivalent to 0 to 127 formatting character
3. control and status 31 lzt 123 7590 r1d 3.6 ats5 command line editing character (backspace) this s-parameter represents the decimal ia5 value of the character recognised by the dce as a request to delete from the command line the immediately preceding character. 3.7 ats6 blind dial delay control included for compatibility. no functionality description command possible responses request command line editing character ats5= ok error show the current setting ats5? show if the command is supported ats5=? s5: (list of supported s) description 8 line editing character. default value 0 to 127 line editing character description command possible responses blind dial delay control ats6=[] ok show the current setting ats6? show if the command is supported ats6=? s6: (list of supported s) description 2 wait two seconds before blind dialling. default value 2-255 number of seconds to wait before blind dialling
3. control and status 32 lzt 123 7590 r1d 3.8 ats7 connection completion timeout defines the maximum time allowed between completion of dialling and the connection being established. if this time is exceeded then the connection is aborted. 3.9 ats8 comma dial modifier delay control included for compatibility. no functionality description command possible responses set connection completion timeout ats7=[] ok error show the current setting ats7? show if the command is supported ats7=? s7: (list of supported s) description 50 timeout value in seconds. default value 1-255 timeout value in seconds description command possible responses set comma dial modifier delay control ats8=[] ok error show the current setting ats8? show if the command is supported ats8=? s8: (list of supported s) description 2 the value of the dial modifier delay in seconds. default value 1-255 the value of the dial modifier delay in seconds
3. control and status 33 lzt 123 7590 r1d 3.10 ats10 automatic disconnect delay control included for compatibility. no functionality 3.11 at*ecam ericsson call monitoring this command activates or deactivates the call monitoring function in the me. when this log function is activated in the me, the me informs about call events, such as incoming call, connected, hang up etc. it is preferable that the current status shall always be sent with result code *ecav when activating the log functio n. the purpose of this is two fold:  to gather relevant information for the call log in a te;  to make it possible for the te to display call state information for an ongoing call. description command possible responses set automatic disconnect delay control ats10=[] ok error show the current setting ats10? show if the command is supported ats10=? s10: (list of supported s) description 2 remains connected for two tenths of a second. default value 1-254 number of tenths of a second of delay description command possible responses set call monitoring on or off at*ecam=  +cme error: ok error show the current setting at*ecam?  *ecam:  +cme error: ok error show if the command is supported at*ecam=?  *ecam: list of supported s  +cme error: ok error description 0 the call log function is disabled (off). default value 1 the call log function is enabled (on)
3. control and status 34 lzt 123 7590 r1d unsolicited result codes: *ecav: ,,,[],[], [,] description 1 to 7 integer type. a number which uniquely defines a call in the me (= number of call control process). there can not be two call id?s with the same number simultaneously. the maximum number of call control processes are 7, which are 5 multiparty members, one call on hold, and one waiting call description 0 idle 1 calling (mo) 2 connecting (mo) 3 active (connection between a and b) 4 hold 5waiting (mt) 6 alerting (mt) 7busy description 1 voice 2data 128 vo i c e2 description integer reported when returning to the idle state (=0) 8 = h?08 = cc (call control) 68 = h?44 = mm (mobile management) 69 = h?45 = ms (mobile station) 122 = h?7a = rr (radio resources) description integer exit cause according to gsm 04.08 reported when returning to idle state ( = 0)
3. control and status 35 lzt 123 7590 r1d examples at*ecam? *ecam: 0 at*ecam=1 ok 3.12 at*edst ericsson daylight saving time this command sets the daylight saving time hours. description string string type me number of format specified by . only valid for = 1 (calling) description type of address octet in integer format (refer to gsm 04.08, subclause 10.5.4.7) 129 isdn/telephony numbering plan, national/international unknown. default if no ?+? in sca 145 isdn/telephony numbering plan, international number. default if ?+? in sca. 161 isdn/telephony numbering plan, national number 128 to 255 other values refer to gsm 04.08 section 10.5.4.7. only valid for = 1 (calling) description command possible responses set daylight saving time at*edst=  +cme error: ok error show the current setting at*edst?  *edst:  +cme error: ok error show if the command is supported at*edst=?  *edst: (list of supported s)  +cme error: ok error
3. control and status 36 lzt 123 7590 r1d note! this command affects the ms clock set with the at+cclk command. to avoid confusion it is recommended th e daylight saving time (dst) is set with this command before setting the actual local time with at+cclk. 3.13 at*emar ericsson master reset this command requests the ms to reset user data. the user data in the ms will be reset to the default values. this command also unlocks the ms. description 0 standard time 1 daylight saving time, +1 hour 2 daylight saving time, +2 hours description command possible responses perform a master reset in the ms at*emar=  +cme error: ok error show if the command is supported at*emar=?  +cme error: ok error description string security code (me lock code) must be verified before performing the master reset, see also at+clck
3. control and status 37 lzt 123 7590 r1d 3.14 at*epee ericsson pin event the command requests the ms to report when the pin code has been inserted and accepted. description command possible responses requests the ms to inform when the pin code has been inserted at*epee=  +cme error: ok error show the current setting at*epee?  *epee:  +cme error: ok error show if the command is supported at*epee=?  *epee: (list of supported s)  +cme error: ok error description 0 request for report on inserted pin code is not activated (off). default value 1 request for report on inserted pin code is activated (on)
3. control and status 38 lzt 123 7590 r1d 3.15 at+cala set alarm the command sets an alarm time in the me. an array of different alarms can be set and each may be recurrent. if alarm setting fails, error: is returned. when the alarm is timed out and execu ted, the unsolicited result code +calv: is always returned, even if the alarm is setup to be silent. the alarm time is set in hours and minutes. date, seconds and time zone cannot be set. the read command returns the list of current active alarm settings in the me. show returns the supported array index values, alarm types and maximum length of the text strings. description command possible responses set an alarm time in the me at+cala=

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