C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 2 Buffer "+CIEV" and "^SLCC" URCS in the TA while TA-TE link is reserved, e.g. in online data mode, and flush them to the TE afterwards. Otherwise they are forwarded directly to the TE. 3 Forward "+CIEV" and "^SLCC" URCS directly to the TE. If C55 is in online data mode, URCs are signaled via sending BREAK (100 ms) and stored in a buffer. Once it is back in command mode e.g. after +++ was entered, all URCs stored in the buffer will be output. (num) 0 (&F) Keypad event reporting is not supported by XT55. (num) 0 (&F) (num) (num) 0 (&F) Display event reporting is not supported by XT55. Disable indicator event reporting. 2 Enable indicator event reporting. 0 (&F) (str) TA buffer of URCs defined within this command is cleared when 1..3 is entered. Name of indicator; for a list of all supported indicators please refer to AT+CIND and AT^SIND. (num) Value of indicator; for a list of all values for the supported indicators please refer to AT+CIND and AT^SIND. 2.2 AT+CIND Indicator control This command controls information about status changes via URC presentation of the C55 or connected items, e.g. signal quality, service availability, sound generation, indication of unread short messages, full SMS storage, call in progress or roaming activities. Use of this command is outdated since additional indications and functionality are available with AT^SIND. AT+CIND supports two ways to get the values related to indicators: • Query the current status of each indicator by using the read command AT+CIND?. It returns the status no matter whether the indicator has been registered with the write command AT+CIND=[[,[,...]]]. • Evaluate one of the "+CIEV" URCs which the ME automatically sends to the application, whenever the value of the associated indicator changes. The presentation of these URCs depends on two settings: - The indicators must be registered with the write command AT+ciND=[[,[,...]]]. By default, all of them are registered when the ME is switched on. Any URC can be excluded if deregistered with =0. - URC presentation must be enabled with AT+CMER. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 46
C55/C55I AT COMMAND SET VERSION 1.00 Syntax Test Command AT+CIND=? Read Command AT+CIND? Write Command AT+CIND=[, [, ...]] Response(s) + CIND: (, list of supported s)[, (, list of supported s)[,…]] OK Response(s) + CIND: [, [, ...]] OK ERROR +CME ERROR: Response(s) OK ERROR +CME ERROR: Reference(s) PIN ASC0 GSM 07.07 ○ ● Command Description The read command returns the status of the ME indicators. The write command is used to switch the event report for each indicator type. The Indicator Event Reports are displayed to the TE via "+CIEV" which can be enabled using AT+CMER. Parameter Description (num) Integer type value,which shall be in range of corresponding (str) String values and their ranges. More indications are available via AT^SIND. Therefore use of AT^SIND for control of all indications is recommended. The following indications are accessible via AT+CIND: "battchg" Battery charge level (Note that no battery pins are provided on the 40-pin connector of C55 module). "signal" Signal quality (0..7) or (99) if not measurable. The indicated value is the bit error rate of the signal received. If there are bit errors this is not a constant but a estimated value which will change in time. See also AT+CSQ. "service" Service availability (0-1) 0: Not registered to any network 1: Registered to home network or, if "roam"=1 then registered to another network "sounder" Sounder activity (0-1). The indicator provides information about tones generated in the ME. Value 1 means for example: Incoming call - ME is ringing. Note that the URC "+CIEV": "sounder" indicator will be output only if ringing tones are activated with AT^SRTC. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 47
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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