C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 Waiting call - ME generates waiting call tone (if call waiting is enabled). Outgoing call - ME generates Call Progress tone. Outgoing call - ME generates BUSY tone. The value changes to 0 if tone stops "message" Unread short message at memory location (0-1); refer to AT+CPMS "call" Call in progress (0-1). Indicator value is "1" if at least one call is in state "active" or "held". Depending on the value of AT^SCFG setting (refer parameter ), indicator "call" will be issued - when a state transition ends in state "active" or in state "unknown", if AT^SCFG setting , - when any state transition (including transitions beginning or ending in state "unknown") occurs in the list of active calls or when a traffic channel is established, if AT^SCFG setting . Also refer 6.1. "roam" Roaming indicator (0-1) 0: Registered to home network or not registered 1: Registered to other network "smsfull" A short message memory storage in the MT has become full (1) or memory locations are available (0), i.e. range is (0-1) "rssi" Received signal (field) strength (0..5) or (99) if not measurable. 0: signal strength = -51 dbm Received signal (field) strength can also be obtained with AT+CSQ. However, the signal strength is scaled to value range 0..31 by this command. (num) Indicator is deregistered. The indicator will not be presented as "+CIEV" URC, but can be queried with AT+CIND?. [1] (P) Indicator is registered, indicator event report allowed. Notes • Due to its restrictive range of values, there are events when it is not entirely clear from the context, which event has led to the output of indicator "call". Rather than as an information in itself, indicator "call" should therefore be used as a trigger to look up the new call status in the list of current calls with AT commands AT^SLCC, AT+CLCC or AT^SCNI. • If AT^SCFG setting , indicator "call" will be issued also when a traffic channel is established, or when a call enters states "terminating" or "dropped" (see chapter 6.1). In these cases, the relevant information about the cause of the display is available only from AT command AT^SLCC. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 48
C55/C55I AT COMMAND SET VERSION 1.00 • The indicator "sounder" signals every event a tone is generated in the ME. For instance, if a waiting call produces a tone, this will be indicated. • If the ME is switched on all indicators are in registered state. • Use AT+CMER command to allow Indicator Event Report of all registered indicators. Example ^SYSSTART AT+CPIN=9999 OK AT+CIND? +CIND: 5,99,1,0,0,0,0,0 The bit error rate of the signal quality is not available (since there is no call in progress). The ME is registered to its home network. OK AT+CMER=2,0,0,2 Now activate the Indicator Event Report with AT+CMER. OK +CIEV: battchg,5 +CIEV: signal,99 +CIEV: service,1 +CIEV: sounder,0 +CIEV: message,0 +CIEV: call,0 +CIEV: roam,0 +CIEV: smsfull,0 +CIEV: rssi,5 Receive with full signal field strength. ATD0123456; Make a call. OK +CIEV: sounder,1 Receive a set of "+CIEV" URCS reports. +CIEV: call,1 +CIEV: sounder,0 +CIEV: call,0 The receiver hangs up. NO CARRIER AT+CIND=,,,0,,0 Deregister the indicators "call" and "sounder". OK ATD0123456; Rebuild the same call. OK This time, no URCs are displayed. NO CARRIER This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 49
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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