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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 134 12/24/2010

Parameters

See Write Command

Response

ERROR

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CCVM=<vm

number>[,<alpha

string>]

Parameters

<vm number> string type (string should be included in quotation

marks) -The voice mail number to write to the SIM

<alpha string> string type (string should be included in quotation

marks) -The alpha-string to write to the SIM

Reference Note

6.2.20 AT+CBAND Get and Set Mobile Operation Band

AT+CBAND Get and Set Mobile Operation Band

Response

+CBAND: (list of supported <op_band>s)

Test Command

AT+CBAND=?

Parameter

See Write Command

Response

+CBAND: <op_band>[,<ALL_BAND>]

Read Command

AT+CBAND?

Parameter

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CBAND=<o

p_band>

Parameter

<op_band> A string parameter which indicate the operation band.

And the following strings should be included in quotation

marks.

PGSM_MODE

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