[SOLVED] Sim900 sms problem; the AT Commands seen in the received SMS

[abdi110]

Hi everybody...
I am new to this forum and this is my first post.
I have a problem with sim900 when i send sms with it, the AT Commands will be sent in the SMS content and is seen in the sms recieved.
for example the received SMS is as below:
ATAT+CMGF=1AT+CMGS="09XXXXXX"
SMS TEXT

 

[kgshankar1980]

Try using ATE0 and execute the command again..

 

[ADGAN]

Post your code

 

[abdi110]

Post your code

Dear ADGAN;
So thanks, my problem has been solved by increasing delays between AT commands.
now i have another question:
under the sim 900 module there is a circle and nine points? what shal i do in pcb with them?
could you please help?
Thanks again

 

[Batang]

DO NOT have any PCB tracks or fills in those areas, follow the SIM900 hardware document for the keep out area sizes.

Cheers