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I tried all answers from the board but still can not send SMS via RS232 on my TRB142.

Can you give mit the correct ASCI Code for sending SMS.

I tried also:

AT+CMGR=1\0D

AT+CMGF=1\0D

AT+CMGS="0041798566991"\0D

followed by: "Text"\1A

It didn^t work. Somitimes I received an answer \00

Please help me.

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Hello,

To send SMS from your router via RS232 you should use these commands:

AT+CMGR=1

AT+CMGF=1

AT+CMGS="+4179.........."

> SMS text

To send a text message "SMS text" dial CTRL+Z. 

Also, + can be substituted for 00, I suggest trying both methods.

Regards.