C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 PIN2/PUK2: PIN2 prevents unauthorized access to the features listed in AT+CPIN2. The handling of PIN2 varies with the provider. PIN2 may either be a specific code supplied along with an associated PUK2, or a default code such as 0000. In either case, the client is advised to replace it with an individual code. Incorrect input of PUK2 will permanently block the additional features subject to PIN2 authentification, but usually has no effect on PIN1. PIN2 consists of 4 digits, PUK2 is an 8-digit code only. To unblock a disabled PIN2 you have two options: - You can enter AT+CPIN2=PUK2,new PIN2. - You can use the ATD command followed by the GSM code **052*PUK2*newPIN2*newPIN2#;. Phone lock: If the mobile was locked to a specific SIM card (= "PS" lock or phone lock), the PUK that came with the SIM card cannot be used to remove the lock. After three failed attempts to enter the correct password, ME returns +CPIN: PH-SIM PUK (= response to read command AT+CPIN?), i.e. it is now waiting for the Master Phone Code. This is an 8-digit device code associated to the IMEI number of the mobile which can only by obtained from the manufacturer or provider. When needed, contact Siemens AG and request the Master Phone Code of the specific module. There are two ways to enter the Master Phone code: - You can enter AT+CPIN=Master Phone Code,new password. - You can use the ATD command followed by the GSM code *#0003*Master Phone Code#;. Usually, the Master Phone Code will be supplied by mail or e-mail. If the received number is enclosed in the *# codes typically used for the ATD option, it is important to crop the preceding *#0003* characters and the appended #. Example: You may be given the string *#0003*12345678#. When prompted for the PH-SIM PUK simply enter 12345678. If incorrectly input, the Master Phone Code is governed by a specific timing algorithm: (n-1)*256 seconds (see table below). The timing should be considered by system integrators when designing an individual MMI. Number of failed attempts Time to wait before next input is allowed 1st failed attempt No time to wait 2nd failed attempt 4 seconds 3rd failed attempt 3* 256 seconds 4th failed attempt 4 * 256 seconds 5th failed attempt 5* 256 seconds 6th failed attempt 6* 256 seconds and so forth SIM locks: These are factory set locks, such as "PF", "PN", "PU", "PP", "PC". An 8-digit unlocking code is required to operate the mobile with a different SIM card, or to lift the lock. The code can only be obtained from the provider. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 76
C55/C55I AT COMMAND SET VERSION 1.00 Failure to enter the password is subject to the same timing algorithm as the Master Phone Code (see table above). Call barring: Supported modes are "AO", "Ol", "OX", "AI", "IR", "AB", "AG", "AC". If the call barring password is entered incorrectly three times, the client will need to contact the service provider to obtain a new one. Summary of related chapters: Related +CME errors are listed in 1.11.1. For further instructions and examples see AT+CLCK, AT^SLCK, AT+CPWD and AT^SPWD. A complete list of *# codes is provided in List of *# Codes. 4.2 AT+CPIN2 Enter PIN2 Syntax Test Command AT+CPIN2=? Read Command AT+CPIN2? Write Command AT+CPIN2 = [, ] Response(s) OK Response(s) +CPIN2: OK ERROR +CME ERROR: Response(s) OK ERROR +CME ERROR: Reference(s) PIN ASC0 GSM 07.07 ● ● Command Description The read command returns an alphanumeric string indicating whether some password is required or not. The write command lets the ME store the entered password. This may be for example the SIM PIN2 to benefit from the features listed below, or the SIM PUK2 to replace a disabled PIN2 with a new one. Note that PIN2 can only be entered if PIN1 authentication was done. If the ME is requesting SIM PUK2, use to enter the PUK2, followed by to specify your new PIN2. Parameter Description (str) Password (string type), usually SIM PIN2 or, if requested, SIM PUK2. (str) If the requested code was SIM PUK2: new password (PIN2). See Chapter 4.1.1 for more information about when you may need to enter the PUK. (text) READY ME is not pending for any password. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 77
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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