Ericsson SH 888

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Ericsson SH 888: reviews, tips, comments:
ericsson - sh888 i need schematics of ericsson - sh 888 locked phone I bought a sony ericsson movile phone SH 888 phone from a friend about 4 years ago while I was in South Africa. I live in New Zealand, so I thought I could use it here. I've never been able to use it here because it is locked and no one knows the security code. The guy who sold it to me said he didn't have a security code, but there is one other person who used it in South Africa/Mozambique before me, so maybe he put a security code on it. No one knows where he is though. SO, can I ever use this phone, or is it a piece of junk now? Thanks for any help you can offer. locked phone I bought a phone from a friend about 4 years ago while I was in South Africa. I live in New Zealand, so I thought I could use it here. I've never been able to use it here because it is locked and no one knows the security code. The guy who sold it to me said he didn't have a security code, but there is one other person who used it in South Africa/Mozambique before me, so maybe he put a security code on it. No one knows where he is though. SO, can I ever use this phone, or is it a piece of junk now? Thanks for any help you can offer.
Ericsson SH 888 manual, tips, reviews

Infrared Modem Online Reference
Revision R1A Infrared Modem

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Contents

1 Introduction.. 5

1.1 About this manual... 5 1.2 Using this manual... 6 1.3 Using the Ericsson Mobile Office Infrared Modem. 7 Data functions... 7 Facsimile functions... 7 Mobile Phone Manager.. 7 1.4 Communications programs... 8 Configuring third party communication programs.. 8 Configure for V.25ter.. 8 Locate a Mobile Phone Modem driver.. 8 Configure the data communications program manually. 8 Configure your facsimile communications program manually... 9
2 Result and error codes... 10
2.1 Result codes.. 10 Final result codes from AT commands.. 10 Result codes from call connections.. 12 Format of the result codes.. 12 2.2 Error codes... 13 Report mobile phone failure (+CMEE).. 13 Report operational/access failure (+CMS). 14 2.3 Unsolicited result codes.. 16 Service report (+CR).. 16 Cellular result codes (+CRC).. 16

3 AT Commands... 17

3.1 Introduction to AT commands.. 17 3.2 Infrared Modem operating modes.. 17 3.3 Changing the Infrared Modem operating mode. 18 Operating in off-line command mode.. 19 Switching to on-line data mode... 19 Switching back to off-line command mode.. 19 Using AT commands during a data connection. 20 Switching from on-line command mode to on-line data mode.. 20
Revision R1A Infrared Modem Page 2 Online Reference
Switching from on-line command mode to off-line command mode.. 20 3.4 Operating the AT commands... 21 Entering a set command... 21 Entering an execute command... 23 Using read command to view the command settings. 23 Using test command to request command help. 24 3.5 AT command list... 25 General AT commands... 25 Information commands.. 25 DTE-DCE interface commands. 25 Result and error code control.. 25 Mobile phone control commands.. 26 Phone book commands.. 26 Configuration commands.. 27 Call control.. 27 Line interface... 27 Short Message Service AT commands.. 28 Facsimile AT commands... 29 General... 29 Fax Service Class 1 commands.. 29 Fax Service Class 2 commands.. 29
4 General AT commands... 31
4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Information commands... 31 DTE-DCE interface commands.. 41 Result and error code control... 47 Mobile phone control commands.. 53 Phone book commands.. 79 Configuration commands.. 83 Call control... 87 Line interface... 94
5 Short Message Service commands.. 104

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6 Fax commands.. 118
6.1 General fax AT commands.. 118 6.2 Fax Service Class 1 commands.. 119 6.3 Fax Service Class 2 commands.. 126
7 Glossary... Index... 162

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Introduction
The Ericsson Infrared Modem is part of the Ericsson Mobile Office SH 888. This Manual describes the operation of the AT commands supported by the Infrared Modem. The information here is not relevant for day-to-day operation of the Infrared Modem, which is described in the User Manual supplied with the Ericsson Mobile Office SH 888. The On-line Reference Manual is for advanced users who require detailed information in order to: develop new communications software add the Infrared Modem to an applications list of compatible modems adjust the settings of their mobile telephone and modem.

1.1 About this manual

This manual is designed to supplement the Ericsson Infrared Modem User Manual. All rights reserved. Ericsson Mobile Communications AB, 1998. Ericsson Mobile Office Infrared Modem is a Registered trademark of Ericsson Mobile Communications AB. Windows is a registered trademark of the Microsoft Corporation.
All other registered trademarks used in this document are also acknowledged.

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1.2 Using this manual
The standard text in this manual is modified to distinguish between the text displayed on the screen, typed instructions and examples of command dialog. The distinctions are as follows: 1) Typed commands and option values are written in bold text. For example: S2=<esc> Options: <esc> 0 - 127.
2) Any key strokes are written in bold text in brackets, for example <CR>. 3) Examples of command dialogue, including keyboard entries and onscreen responses, are written in Courier text. For example: AT+CBC=? +CBC:(0,1),(0-100) OK 4) The default setting used by a command is indicated by bold text. For example, Default = 1.

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1.3 Using the Ericsson Mobile Office Infrared Modem
The Infrared Modem connects your computer and GSM mobile phone by means of a digital infrared link. Although the functions performed by this unit are not technically those of a modem (neither Modulation nor Demodulation is performed by the unit), the term Modem is retained as a commonly accepted description.

Data functions

Transmission speed conforms to the ITU-T standard V.22bis which facilitates data transfer at 2,400, 4,800 and 9,600 bits/s. By implementing data compression the transmission speed can be increased to a theoretical maximum data throughput of 38,400 bits/s. between computers.

Facsimile functions

Facsimile operation, at 2,400, 4,800, 7,200 and 9,600 bits/s. conforms to Service Class 1 and the proposed Service Class 2 standards.

Short Message Service

The Infrared Modem supports the short message service (SMS) with messages up to 160 characters long, according to ETSI (GSM) 07.05 using the GSM character set.

Mobile Phone Manager

The Infrared Modem supports commands for access of the mobile phone book and short message service according to ETSI (GSM) 07.05 and 07.07.

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1.4 Communications programs
Please refer to the User Manual for instructions on the installation and use of the Ericsson Infrared Modem software drivers.
Configuring third party communication programs
If you want to use a communication program which does not include the Ericsson Infrared Modem in the list of supported hardware, the following options are suggested: Configure for V.25ter The Infrared Modem supports the V.25ter command set. If your communication program can generate and support a V.25ter command, the Infrared Modem does not require the installation of a specific driver. Locate a Mobile Phone Modem driver A Mobile Phone Modem driver for your communication program may be available on either the Ericsson Infrared Mobile Phone Modem utilities disk or from one of the on-line services. Configure the data communications program manually To configure your data communications program manually: 1. Select a generic Mobile Phone Modem driver from the list of available Mobile Phone Modem drivers. 2. Set the Init string to ATZ^M. 3. Set the optional setup string to Asynchronous RLP: AT+CBST=0,0,1

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Configure your facsimile communications program manually To manually configure your facsimile communications program, select a Fax Class 1 driver. The Infrared Modem supports Fax Class 2 facsimile which might be used if there are problems with the fax service or speed of the computer, or your fax application does not support Fax Class 1.

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2.2 Error codes
The +CME ERROR result codes indicate an error relating to the functionality of the Infrared Modem or Mobile Phone and replaces the final result code ERROR when first enabled with the AT+CMEE command.
Report mobile phone failure (+CMEE)
+CME ERROR: 0 +CME ERROR: 1 +CME ERROR: 2 +CME ERROR: 3 +CME ERROR: 4 +CME ERROR: 5 +CME ERROR: 10 +CME ERROR: 11 +CME ERROR: 12 +CME ERROR: 13 +CME ERROR: 14 +CME ERROR: 15 +CME ERROR: 16 +CME ERROR: 20 +CME ERROR: 21 +CME ERROR: 22 Phone failure. No connection to phone. Phone modem link reserved. Operation not permitted. Operation not supported. PH-SIM card PIN required. SIM card not inserted. SIM card PIN required. SIM card PUK required. SIM card failure. SIM card busy. SIM card wrong. Incorrect password. Memory full. Invalid index. Not found.

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+CME ERROR: 23 +CME ERROR: 24 +CME ERROR: 25 +CME ERROR: 26 +CME ERROR: 27 +CME ERROR: 100 Memory failure. Text string too long. Invalid character in text string. Dial string too long. Invalid character in dial string. Unknown.
Report operational/access failure (+CMS)
The +CMS ERROR result codes indicate an error relating to the Infrared Modem, Mobile Phone or Network relating to the Short Message Service (SMS) and replaces the final result code ERROR. +CMS ERROR: 0 to +CMS ERROR: 127 +CMS ERROR: 128 to +CMS ERROR: 255 +CMS ERROR: 300 +CMS ERROR: 301 +CMS ERROR: 302 +CMS ERROR: 303 +CMS ERROR: 304 +CMS ERROR: 305 GSM 04.11 Annex E-2 values.
GSM 03.40 Section 9.2.3.22 values.
Mobile phone failure. Short message service of mobile phone reserved. Operation not allowed. Operation not supported. Invalid PDU mode parameter. Invalid text mode parameter.

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+CMS ERROR: 310 +CMS ERROR: 311 +CMS ERROR: 312 +CMS ERROR: 313 +CMS ERROR: 314 +CMS ERROR: 315 +CMS ERROR: 320 +CMS ERROR: 321 +CMS ERROR: 322 +CMS ERROR: 330 +CMS ERROR: 331 +CMS ERROR: 332 +CMS ERROR: 500 SIM card not inserted. SIM card PIN necessary. SIM card PIN necessary for PH-SIM. SIM card failure. SIM card busy. SIM card wrong. Memory failure. Invalid memory index. Memory full. SMSC address unknown. No network service. Network timeout. Unknown error.

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2.3 Unsolicited result codes

Service report (+CR)

When a data connection is being established, the +CR messages are sent to the PC before the final result code CONNECT. Use the AT+CR command to enable these messages. +CR: ASYNC +CR: SYNC +CR: REL ASYNC +CR: REL SYNC Asynchronous transparent. Synchronous transparent. Asynchronous non-transparent. Synchronous non-transparent.
Cellular result codes (+CRC)

The +CRC messages replace the unsolicited result code RING and provide more information about the type of the incoming call. Use the AT+CRC command to enable these messages. +CRING: ASYNC +CRING: SYNC +CRING: REL ASYNC +CRING: REL SYNC +CRING: FAX +CRING: VOICE Asynchronous transparent. Synchronous transparent. Asynchronous non-transparent. Synchronous non-transparent. Facsimile. Normal voice.

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AT Commands
3.1 Introduction to AT commands
This chapter describes how AT commands are used to exchange information with your mobile telephone and Infrared Modem. The AT commands are listed at the end of this chapter. For a description of each command, refer to Chapters 4, 5 and 6. You use AT commands to: configure your mobile telephone and Infrared Modem request information about the current configuration or operational status of your mobile phone/modem test availability and request the range of valid parameters, when applicable, for an AT command.
3.2 Infrared Modem operating modes
The Infrared Modem can be set in any one of three modes of operation. These are: off-line command mode the Infrared Modem is placed in off-line command mode when first powered up and is ready for entry of AT commands. allows normal operation of the Infrared Modem, exchanging data or facsimile with the remote modem. you can switch to on-line command mode when you want to send AT commands to the Infrared Modem while still remaining connected to the remote modem.

on-line data mode

on-line command mode

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3.3 Changing the Infrared Modem operating mode
The following illustration summarises the methods that are used to switch between the three Infrared Modem operating modes: Power up

Off-line Command Mode

Exchange AT command data between computer and Infrared Modem

Dial ATD <tel.no.>

Answer ATA
Lose carrier or lose I.R. link or press NO button or pull DTR low *

On-line Data Mode

Lose carrier or lose I.R. link or press No button or pull DTR low or ATH
Exchange data or facsimile with a remote modem
+++AT <?> or pull DTR low #

On-line Command Mode

Exchange AT command data with the Infrared Modem while staying on-line
# &D previously set to 1.
&D previously set to 2.

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Operating in off-line command mode
In off-line command mode, the Infrared Modem accepts data as commands and not as normal communications traffic. You enter commands by typing at the PC keyboard.
Switching to on-line data mode
To enter on-line data mode, so that you can exchange data with the modem at the other end of the link, you enter the ATD command followed by the telephone number to make the call. Alternatively, typing ATA to answer an incoming call will also place the Infrared Modem in on-line mode.
Switching back to off-line command mode
Any of the following will return the Infrared Modem to off-line command mode from on-line data mode: loss of the connection (NO CARRIER error) loss of the I.R. link between the Infrared Modem and your computer pressing the NO button on your mobile phone pulling DTR low provided &D has previously been set to 2.
The &D command is described on page 41. The setting of &D determines the action taken when DTR is pulled low while you are in on-line data mode &D set to 1 - Infrared Modem switches to on-line command mode &D set to 2 - Infrared Modem switches to off-line command mode.

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Using AT commands during a data connection
If you wish to use AT commands while connected to a remote modem in online data mode and maintain connection with the remote modem, you must first enter on-line command mode. There are two ways you can switch from on-line data mode to on-line command mode: Type the escape sequence +++ followed by an appropriate AT command. This command must be selected from the options AT, ATE, ATH, ATI, ATL, ATM, ATQ, ATV and ATX. Using this method you can perform an AT function as you move in to on-line command mode. For example, if you switch using: +++ATH<CR> the Infrared Modem is switched to on-line command mode and the AT command is executed, causing the connection to be terminated (hang-up). If you type the escape sequence +++ without any following command, the system waits one second, switches to on-line command mode and responds OK. Pull DTR low after previously setting &D to 1, (See page TBA).

Switching from on-line command mode to on-line data mode
To return to on-line data mode while in on-line command mode, type: ATO<CR>
Switching from on-line command mode to off-line command mode
To return the Infrared Modem to off-line command mode from on-line command mode: use any of the methods described in Switching back to off-line command mode above type +++ATH <CR> to switch to on-line command mode and hang up at once.

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3.4 Operating the AT commands
In command mode, there are four types of command you can issue: a set command to adjust the Infrared Modems operating parameters an execute command which directs action without the need of any parameters a read command to view the current command settings a test command to view the available command parameters.
Not all AT commands support all four functions. The descriptions in Chapters 4 to 6 list the functions available for each AT command.

Entering a set command

The standard format for entering a set command is:
AT<command>=<parameters> <CR>
Where: AT <command> <parameters> <CR> Notifies the Infrared Modem that a command is being entered. The name of the command being entered. The values to be used by the command. All command lines are terminated by pressing the <CR> (Return or Enter) key.
All command lines are completed by pressing the <CR> key on the computer keyboard. For the remainder of this manual, appropriate use of the <CR> key is assumed.

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To set the Infrared Modem to operate with autobaud over an asynchronous connection the command line would be: AT+CBST=0,0,1
However, the commands also have default settings. These are values which are assumed to have been entered when no actual value is placed in the command line. For example, the above command can be entered as: AT+CBST=,,1 The default values used by the commands are indicated in the following descriptions by bold text. When the parameter is a character string (for example <name>) then the value should be entered between quotes. For example Peter. Optional parameters are shown in square brackets. For example [<value>].

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Entering an execute command
Execute commands are very similar to set commands. They usually do not require any parameters and are used to obtain information about the mobile phone or Infrared Modem or to execute an event. For example, to find out information about the mobile phone battery, enter the +CBC command: AT+CBC The Infrared Modem responds: +CBC: 0,60 indicating that the mobile phone battery is connected (0) and that it has 60% charge remaining. To answer an incoming call, you execute the A command: ATA

Using read command to view the command settings
To check the current settings of a command, use the ? option. For example, to check the current settings of the +CBST command, enter: AT+CBST? If CBST has been set according to the previous example, the settings are displayed as: +CBST: 0,0,1

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Using test command to request command help
To test the availability of a command and the range of parameters, use the =? option with the command. For example, to check the parameters available to the command line in the example above, enter: AT+CBST=? The line: +CBST: (0,4,6,7,68,70,71),(0),(1) is displayed indicating the range of valid entries that can be set for the parameters <data rate>, <bearer service> and <connection element>.

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3.5 AT command list

General AT commands

Information commands +CBC +CGMI +CGMM S2 +CGMR +CPAS +CSQ +GCAP +GMI +GMM +GMR I Mobile phone battery charge 31 Request mobile phone manufacturer identification 32 Request mobile phone model identification 32 Escape sequence character 33 Request mobile phone revision identification 34 Mobile phone activity status 34 Mobile phone signal quality 35 Request Infrared Modem capabilities list 36 Request Infrared Modem manufacturer identification 37 Request Infrared Modem model identification 37 Request Infrared Modem revision identification 38 Request Infrared Modem identification value 39
DTE-DCE interface commands &C &D E +IFC S3 S4 S5 Circuit 109 (DCD) control 41 Circuit 108 (DTR) response 41 Command echo 42 DTE-DCE local flow control 43 Command line termination character 44 Response formatting character 45 Command line editing character 46
Result and error code control +CEER +CR +CMEE +CRC
Extended error report 47 Service reporting control 48 Report mobile phone failure 49 Cellular result codes 50

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Q V Result code suppression 51 Result code format 52
Mobile phone control commands +CAOC +CCFC +CCWA +CFUN +CGSN +CHLD +CHUP +CIMI +CLCK +CLIP +CLIR +CMOD +CNUM +COPS +CPIN +CPWD +CREG +CSCS +CSSN +VTS Advice of charge 53 Call forwarding 54 Call waiting 56 Set mobile phone functionality 57 Request ME product serial no identification 58 Call related supplementary services 59 Call hang-up 60 Read International Mobile Subscriber Identity (IMSI) 61 Facility lock 62 Calling line identification presentation 64 Calling line identification restriction 65 Set call mode 66 Subscriber number 67 Set operator selection 69 Send Password 71 Set/change new password 73 Set network registration 75 Select terminal character set 76 Supplementary service notifications 77 DTMF and tone generation 78

Returns the activity status of the mobile phone. +CPAS +CPAS: <pas> <pas> Ready. Unavailable. Status unknown. Ringing. Call in progress. Asleep.
AT+CPAS +CPAS: 0 OK +CPAS=? Always returns (0-5).
AT+CPAS=? +CPAS: (0-5) OK

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Mobile phone signal quality
Returns the signal strength and channel bit error rate at the mobile phone. +CSQ +CSQ: <rssi>,<ber> <rssi> 2-<ber> 99 Example: AT+CSQ +CSQ: 19,99 OK +CSQ=? Always returns (0-31),(99). -113 dBm or less. -111 dBm. -109 dBm to -53 dBm. -51 dBm or greater.
AT+CSQ=? +CSQ: (0-31),(99) OK

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Request Infrared Modem capabilities list
Returns a list of valid Infrared Modem command prefixes. +GCAP +FCLASS Fax class 1 and 2 commands. GSM commands. +CGSM AT+GCAP +GCAP: +FCLASS,+CGSM OK +GCAP=? AT+GCAP=? OK

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Request Infrared Modem manufacturer identification
Returns the manufacturer identification for the Infrared Modem. +GMI AT+GMI Ericsson OK +GMI=? AT+GMI=? OK
Request Infrared Modem model identification
Returns the model identification of the Infrared Modem. +GMM AT+GMM Ericsson SH 888 Infrared Modem OK +GMM=? AT+GMM=? OK

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Request Infrared Modem revision identification
Returns the revision identification of the Infrared Modem. +GMR AT+GMR 9710221434 OK +GMR=? AT+GMR=? OK

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Request Infrared Modem identification value
This command provides compatibility with Microsoft Windows 95. I[<n>] <n> 5 Return the model identification. Returns the revision identification. Returns active settings. Default = 0. All other numbers up to 255 return OK. Other numbers return ERROR. Examples: ATI0 Ericsson SH 888 Infrared Modem OK ATI0907 PRGCXC125101 OK ATI5 ACTIVE SETTINGS E:1 Q:0 V:1 X:4 &C:1 &D:0 &Y:0 S0:000 S2:043 S3:013 S4:010 S5:008 S7:050 +CBST:0,0,1 +CRLP:61,61,48,6 +CPMS:"SM","SM" +CPBS:"SM" +CR:0 +CRC:0 +CMEE:0
Execute command: Options:

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STORED PROFILE 0: E:1 Q:0 V:1 X:4 &D:0 S0:000 S2:043 S3:013 S4:010 S5:008 S7:050 +CBST:0,0,1 +CRLP:61,61,48,6 +CPMS:"SM","SM" +CPBS:"SM" +CR:0 +CRC:0 +CMEE:0 STORED PROFILE 1: E:1 Q:0 V:1 X:4 &D:0 S0:000 S2:043 S3:013 S4:010 S5:008 S7:050 +CBST:0,0,1 +CRLP:61,61,48,6 +CPMS:"SM","SM" +CPBS:"SM" +CR:0 +CRC:0 +CMEE:0 OK

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4.2 DTE-DCE interface commands

&C

Circuit 109 (DCD) control
Determines the behaviour of the carrier detect. Further information is available from the *I109 command. &C[<n>] <n> DCD always on. DCD follows the connection. Default = 1.

AT&C1 OK

&D
Circuit 108 (DTR) response
Controls all actions initiated by data terminal ready from DTE. &D[<n>] <n> for DTR On to Off transitions: Ignore. When in on-line data mode then switch to on-line command mode. All other states, as for n = 2. Disconnect and switch to off-line command mode. Default = 0.

AT&D2 OK

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Description: Set command: Options:

Command echo

Enables or disables the command line echo. E=[<n>] or E[<n>] <n> No echo of command mode characters. Echo command mode characters. Default = 1.

Examples:

ATE OK ATE=1 OK
E? ATE? E: 1 OK E=? ATE=? E: (0,1) OK
Returns the current setting.

Always returns (0,1).

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DTE-DCE local flow control
Defines the flow control between the Infrared Modem and the computer when in on-line data mode. No flow control is enabled in any of the command modes. +IFC=[<by_te>,[<by_ta>]] <by_te> No flow control on DTE. Xon/Xoff flow control on DCE. Control characters are removed by the DCE interface. RTS flow control on DCE. Xon/Xoff flow control on DCE. Control characters are passed to the remote DCE/DTE. Default = 2. No flow control on DCE. Xon/Xoff flow control on DTE. CTS flow control on DCE. Default = 2.

<by_ta>

AT+IFC=2,2 OK AT+IFC? AT+IFC? +IFC: 2,2 OK AT+IFC=? Always returns (0-3),(0-2). Returns the current setting.
AT+IFC=? +IFC: (0-3),(0-2) OK

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Command line termination character
Defines the character to be used as the line termination character. This is used both for the detection of an end of command and in formatting of responses. The response to the command is modified to reflect the change. S3=[<cr>] <cr> 0 - 127 The ASCII value of the Command Line Termination Character. Default = 13.

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Result code format
Select either verbose or numeric response codes. V=[<n>] or V[<n>] <n> Display numeric result codes. Display verbose result codes. Default = 1.
ATV1 OK V? ATV? V: 1 OK V=? ATV=? V: (0,1) OK Always returns (0,1). Returns the current setting.

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4.4 Mobile phone control commands

Advice of charge

Returns the current call meter value in hexadecimal format. +CAOC AT+CAOC +CAOC: 00001E OK +CAOC=? AT+CAOC=? OK

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Call forwarding
Allows control of the call forwarding supplementary service. Registration, erasure, activation, deactivation and status query are all supported. +CCFC=<reason>,<mode>[,<number>[,<type>[, ,<class>[,<subaddr>[,<satype>[,<time>]]]]]] <reason> Unconditional. Mobile busy. No reply. Not reachable. All call forwarding. All conditional call forwarding. Disable. Enable. Query status. Registration. Erasure. String type phone number of forwarding address in format specified by <type>. Type of octet address in integer format. String type subaddress of format specified by <satype>. Type of octet subaddress in integer format. 4 Voice. Data. Fax.

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Set command:

Options:

<mode>

<number>

<type>

<subaddr>

<satype>

<class>

<time> If no reply is enabled or queried it provides the time in seconds to wait before a call is forwarded. Default value is 20.
AT+CCFC=2,0 OK +CCFC=? Always returns (0-5).
AT+CCFC=? +CCFC: (0-5) OK

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Call waiting
Allows control of the call waiting supplementary service. +CCWA=[<n>[,<mode>[,<class>]]] <n> Disable the result code representation. Enable the result code representation. Disable. Enable. Query status. Voice.
<class> Example: AT+CCWA=1 OK +CCWA? AT+CCWA? +CCWA: 1 OK +CCWA=?

Always returns (0-1).

AT+CCWA=? +CCWA: (0-1) OK

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Set mobile phone functionality
Sets the power status of the mobile phone to either on or off. +CFUN=<fun> <fun> Switch off the mobile phone. Switch on the mobile phone. Default = 1.
AT+CFUN=0 OK +CFUN? AT+CFUN? +CFUN: 1 OK +CFUN=? Always returns (0,1). Returns the current setting.
AT+CFUN=? +CFUN: (0,1) OK

Note that when the keylock is activated on the phone, you cannot turn it off by means of the +CFUN command.

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Description: Execute command: Returns:
Request ME product serial no identification
Returns a string containing the IMEI number of the ME. +CGSN <imei> A string containing the IMEI number of the ME.
AT+CGSN 004601010000720 OK +CGSN=? AT+CGSN=? OK

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Call related supplementary services
Temporarily disconnects a call, but retains the connection to the network and to a service that allows multiparty conversation. +CHLD=<n> <n> 0 Releases all held calls or sets User Determined User Busy (UDUB) for a waiting call. Releases all active calls (if any exist) and accepts the other (held or waiting) call. Release a specific active call X. Places all active calls (if any exist) on hold and accepts the other (held or waiting) call. Places all active calls on hold except call X with which communication is supported. Adds a held call to the conversation. Connects the held and waiting call and disconnects the user.
AT+CHLD=0 OK +CHLD=? Always returns (0-4,11-16,21-26)
AT+CHLD=? +CHLD: (0-4,11-16,21-26) OK

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Note that X is the numbering (starting with 1) of the call given by the sequence of setting up or receiving calls (active, held or waiting) as seen by the served subscriber.

Call hang-up

Terminates the current call. Command is used to provide an assured means of terminating an alternating mode call. +CHUP AT+CHUP OK +CHUP=? AT+CHUP=? OK

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Read International Mobile Subscriber Identity (IMSI)
Execution command which causes the TA to return <imsi>. This identifies the individual SIM which is attached to the ME. +CIMI <imsi> The IMSI, an integer string without double quotes.
AT+CIMI 240012500011016 OK +CIMI=? AT+CIMI=? OK

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Facility lock
Locks or unlocks a ME or network facility. These operations require a password. +CLCK=<fac>,<mode>[,<passwd>[,<class>]] <fac> CS PS SC P2 AO OI OX Lock Control Surface, e.g.phone, keyboard. Lock Phone to SIM card. Lock SIM Card. SIM PIN2 Bar All Outgoing calls. Bar Outgoing International Calls. Bar Outgoing international calls eXcept to home country. Bar All Incoming calls. Bar Incoming calls when Roaming outside the home PLMN. All Barring services. All outGoing barring services. All inComing barring services. Unlock. Lock. Query status. String type password defined in +CPWD command. 3 Voice. Data. Fax.

AB AG AC

<passwd>

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Test command: +CLCK=? Always returns (CS,PS,SC, P2,AO,OI,OX,AI,IR, AB,AG,AC)
AT+CLCK=? +CLCK: ("CS","PS","SC","P2","AO","OI", "OX","AI","IR","AB","AG","AC") OK

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Calling line identification presentation
Calling line identification presentation allows the subscriber to get the calling line identity of the calling party when receiving a mobile terminated call. +CLIP=<n> <n> Disable. Enable.
AT+CLIP=0 OK +CLIP? Returns the current setting.

Read command: Returns:

+CLIP: <n>, <status> <status> 2 CLIP not provisioned. CLIP provisioned. Unknown, e.g. no network.
AT+CLIP? +CLIP: 0,1 OK +CLIP=? Always returns (0-1).
AT+CLIP=? +CLIP: (0-1) OK

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Calling line identification restriction
Calling line identification restriction allows the calling subscriber to enable or disable the presentation of the calling line identity to the called party. +CLIR=[<n>] <n> 0 Presentation according to the subscription of the CLIR service. CLIR invocation. CLIR suppression.
Example: AT+CLIR=0 OK +CLIR?
+CLIR: <n>,<status> <status> CLIR service status in the network. CLIR not provisioned. 0 CLIR provisioned in 1 permanent mode. Unknown, e.g. no network. 2 CLIR temporary mode, 3 presentation restricted. CLIR temporary mode, 4 presentation allowed.
AT+CLIR? +CLIR: 0,0 OK +CLIR=? Always returns (0-2).
AT+CLIR=? +CLIR: (0-2) OK

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Set call mode
Sets the call mode for further dialling commands or the next answering command. +CMOD=<mode> <mode> Single mode. Alternating voice/fax.
AT+CMOD=0 OK +CMOD? AT+CMOD? +CMOD: 1 OK +CMOD=? Always returns (0,1). Returns the current setting.
AT+CMOD=? +CMOD: (0-1) OK

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Subscriber number
Command returns MSISDN information relating to the subscriber. +CNUM +CNUM: [<alphax>],<numberx>,<type>[,speed>, <service>[,<itc>]] <alphax> Optional alphanumeric string associated with <numberx>. String type phone number of format specified by <typex>. Type of octet address in integer format. 71 Auto selection of baud setting. 2400bps V22bis. 4800bps V32. 9600bps V32. 2400bps V.110 (ISDN). 4800bps V.110 (ISDN). 9600bps V.110 (ISDN). Default = 0. Asynchronous modem. Synchronous modem. PAD Access (asynchronous). Packet Access (synchronous). Voice. Fax.

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On hook The Infrared Modem state similar to hanging up a telephone receiver. PIN Personal identification number. Protocols The rules or procedures all modems must follow to communicate. Result code A message the Infrared Modem sends to the computer containing information about the state of the Infrared Modem. RLP Radio Link Protocol, an error correction protocol used during radio link connections. RLSD Received Line Signal Detect. See AT command &C. RTS Request To Send. An EIA232 signal sent from the computer to the Infrared Modem, usually indicating that the computer is ready to send data to the Infrared Modem.
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RS-232-C interface A communication standard established by the Electronics Industry Association (Recommended Standard number 232, revision C). Originally established to standardize communication between computer and modem. It was later adapted to become a popular standard for communication between computer and any other peripheral equipment, including other computers. Serial port The port through which digital signals are exchanged between the Infrared Modem and the computer.
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Short message service (SMS) A text messaging service permitting the transmission of up to 160 characters to a facsimile, X400, telex and voice services or mobile phone. Synchronous Communication V.22bis ITU-T standard for 2400 bps. V.27ter ITU-T standard for 4800 bps full-duplex modems connected to switched telephone networks. V.29 ITU-T standard for 9600 bps half-duplex modems included in FAX machines. V.42bis ITU-T standard for the compression of asynchronous data. V.42bis is based on a dictionary that looks up common strings and replaces the strings with code words. This reduces the amount of characters actually transmitted. V.42bis has been found to be most effective for file transfers that contain long strings of repetitive information and least effective for short strings of unique data. Require LAPM or MNP2, MNP3 or MNP4 as error correcting. Unsolicited result code A message sent from the Infrared Modem to the PC that is not a response to an executed AT command. For example RING.
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Symbols

&C 41 &D 41 &F 83 &W 53 &Y 86 +CAOC 53 +CBC 31 +CBST 94 +CCFC 54 +CCWA 56 +CEER 47 +CFUN 57 +CGMI 32 +CGMM 32 +CGMR 34 +CGSN 58 +CHLD 59 +CHUP 60 +CIMI 61 +CLCK 62 +CLIP 64 +CLIR 65 +CMEE 49 +CMGD 104 +CMGF 105 +CMGL 106 +CMGR 107 +CMGS 108 +CMGW 109 +CMOD 66 +CMSS 110 +CMTI 111