C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 2.3 AT ^ SIND Extended Indicator Control AT^SIND supplies extended event indicator control and - offers greater flexibility than standard AT+CIND, - offers several extra indicators, - can show the current status of all indicators supported by AT+CIND and AT^SIND, - gives the possibility to register or deregister the indicators of both commands, - displays all indicator event reports via "+CIEV" URCS. Presentation mode of the generated URCs is controlled via AT+CMER. Syntax Test Command AT^SIND=? Read Command AT^SIND? Write Command AT^SIND=, Response(s) ^SIND: (, list of supported s)[, (, list of supported s)[, ...]], (list of supported s) OK Response(s) ^SIND: ,, OK ERROR +CME ERROR: Response(s) OK ERROR +CME ERROR: Reference(s) PIN ASC0 SIEMENS ○ ● Command Description The read command provides a list of all indicators supported by AT+CIND and AT^SIND. Each indicator is represented with its registration mode and current value. The write command can be used to select a single indicator in order to modify its registration and to view the current value. Parameter Description (num) Integer type value in the range stated below for the corresponding . (str) String values and their ranges. All indicators supported by AT+CIND are accessible with this command, too. A detailed description of these indicators can be found there. The following indicators are accessible via AT^SIND only: "audio" Activity of the internal audio unit (0-1). Value 1 means for example: Outgoing voice call: Indicator appears when dialing starts. Incoming voice call: Indicator appears prior to the RING result code. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 50
C55/C55I AT COMMAND SET VERSION 1.00 "vmwaiti" Voice message waiting indication for line 1, (0-1) "vmwait2" Voice message waiting indication for line 2, (0-1) "ciphcall" Ciphering Status Change Indication As stated in GSM specifications 02.07 and 02.09 the ciphering indicator feature allows the ME to detect that ciphering is not switched on and to indicate this to the user. The ciphering indicator feature may be disabled by the home network operator setting data in the "administrative data" field (EFAD) in the SIM, as defined in GSM 11.11. If this feature is not disabled by the SIM, then whenever a connection is in place, which is, or becomes unenciphered, an indication shall be given to the user. This enables the user's decision how to proceed. Read command returns valid ciphering status only if a call is in progress or active. If EFAD setting disables the ciphering indicator feature read command always indicates a ciphered link and no URC presentation will take place. Note: The following restrictions apply if the same serial channel is used for AT^SIND "ciphcall" indication and for the action triggering this URC. In general, the recommended solution is to use a dedicated channel for all status signalling via URCs. - If an unciphered mobile originated SMS is performed, AT^SIND "ciphcall" URCs on the same serial channel will be issued after the related "OK" and indicate the ciphering state at this time. Because the SMS is already sent at this time, you will get 2 URCs on this channel, but both are indicating that ciphering is enabled. - If an unciphered mobile originated data call is performed, AT^SIND "ciph call" URCs on the same serial channel will be issued after the interface is not longer blocked by the call (call is released or temporarily stopped) and indicate the ciphering state at this time. 0 Current call or SMS is not ciphered. 1 Current call or SMS is ciphered. (num) 0 Indicator is deregistered, i.e. no such indicator event report (URC) will be issued. 1 Indicator is registered. - Indicator event reports are controlled via AT+CMER. - Indicators defined by AT^SIND remain deregistered until explicitly enabled. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 51
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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