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SIM900_AT Commands Manual_V1.07 95 2012.12.10

If error is related to ME functionality:

+CME ERROR: <err>

Parameter

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Parameter

<mode> 0 Disable call meter warning event

1 Enable call meter warning event

Write Command

AT+CCWE=

<mode>

Unsolicited Result Code

+CCWV Shortly before the ACM (Accumulated Call Meter)

maximum value is reached, an unsolicited result code

+CCWV will be sent, if enabled by this command. The

warning is issued approximately when 5 seconds call time

remains. It is also issued when starting a call if less than 5 s

call time remains.

Reference

GSM 07.07 [13]

Note

GSM 07.07 specifies 30 seconds, so SIMCom deviates from the

specification.

3.2.56 AT+CBC Battery Charge

AT+CBC Battery Charge

Response

+CBC: (list of supported <bcs>s),(list of supported <bcl>s),(<voltage>)

Test Command

AT+CBC=?

Parameters

See Execution Command

Response

+CBC: <bcs>,<bcl>,<voltage>

If error is related to ME functionality:

+CME ERROR: <err>

Execution

Command

AT+CBC

Parameters

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CSSN 900 Specifiche Pagina 95