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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 91 12/24/2010

+CLVL: <level>

If error is related to ME functionality:

+CME ERROR: <err>

AT+CLVL?

Parameter

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CLVL=<leve

Parameter

<level> 0-100 integer type value with manufacturer specific range

(smallest value represents the lowest sound level)

Reference

GSM 07.07 [13]

Note

3.2.53 AT+CMUT Mute Control

AT+CMUT Mute Control

Response

+CMUT: (list of supported <n>s)

Test Command

AT+CMUT=?

Parameter

See Write Command

Response

+CMUT: <n>

If error is related to ME functionality:

+CME ERROR: <err>

Read Command

AT+CMUT?

Parameter

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CMUT=<n>

Parameter

<n> 0 mute off

1 mute on

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Elec Freaks Bluetooth Modem Spezifikationen Seite 91