User manual

Wavecom GSM Modem

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2. AT commands features

2.1. WAVECOM line settings

Currently, WAVECOM's handler is set to 9600 bps, 8 bits data, 1 bit

stop, no parity, RTS/CTS flow control. Please use the commands +IPR, +IFC,

+ICF to change these settings.

2.2. Command line

Commands always finish with a <CR> character.

2.3. Information responses and result codes

Responses always start with <CR><LF> and end with <CR><LF>.

• If the syntax command is wrong, the string ERROR is sent.

• If the syntax command is correct but with some incorrect parameters,

the string +CME ERROR : XX is sent with different error codes.

• If the command line has been performed successfully, the string OK is

sent.

Please note that in the some cases like "AT+CPIN?", "AT+EXPKEY?",

incoming events etc... the mobile does not finish its response with the string

OK.

Examples : AT+CGSN<CR>

In the following examples <CR> and <CR><LF> will be intentionally

omitted.