Multi-Tech Systems GPRS (MTSMC-G) ユーザーズマニュアル

Chapter 4 – General AT Commands 

Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 

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Description: 

Returns the activity status of the mobile equipment. 

Values: 

<pas> 

 

0 

ready (allow commands from TA/TE) 

 

1 

unavailable (does not allow commands) 

 

2 unknown 

 

3 

ringing (ringer is active) 

 

4 call 

in 

progress 

 

5 

asleep (low functionality) 

Syntax: AT+CPAS 

 

AT+CPAS 
Note: Current activity status 

+CPAS: <pas> 
OK 

 

 

 

Description: 

Disables or enables the use of the “+CME ERROR: <xxx>” or “+CMS ERROR:<xxx>” result code 
instead of simply “ERROR”. See the Appendix for +CME ERROR Result Codes description and +CMS 
ERROR result codes. 

Values: 

<error reporting flag> 

 

0  Disable ME error reports; use only << ERROR >> 

 

1  Enable <<+CME ERROR: <xxx> >> or  

<< +CMS ERROR: <xxx> >> 

 

 

Syntax: 

AT+CMEE=<error reporting flag>  

AT+CMEE=? 
 

+CMEE: (0,1) 
OK 

AT+CMEE=0 
Note: Disable ME error reports, use only << ERROR >> 

OK 
 

AT+CMEE=1 
Note: Enable  << +CME ERROR: <xxx> <<  or  
<<  +CMS ERROR: <xxx> >> 

OK 
 

 
 
 

Description: 

Emulates the modem keypad by sending each keystroke as a character in a <keys> string.  

The supported GSM sequences are listed in the Appendix A. 

 

If emulation fails, a +CME ERROR: <err> is returned.  

 

If emulation succeeds, the result depends on the GSM sequence activated. 

 

In the case where the FDN phonebook is activated, the sequences concerning “call forwarding” 

are allowed only if the entire sequence is written in the FDN. 

Values: 

<keys> 

 

 

Keyboard sequence; string of the following characters (0-9, *, #)  

Syntax: AT+CKPD=<keys> 

 

AT+CKPD=”*#21#” 
Note: Check every call forwarding status 

+CCFC: 0,7 
 

AT+CKPD=”1234” 
Note: Sequence not allowed 

+CME ERROR 3