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

abdi110 · Mar 5, 2015

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 · Mar 7, 2015

Try using ATE0 and execute the command again..

ADGAN · Mar 8, 2015

Post your code

abdi110 · Mar 8, 2015

ADGAN said:
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 · Mar 8, 2015

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

Cheers

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

abdi110

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kgshankar1980

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abdi110

ADGAN

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abdi110

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Batang

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abdi110

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

abdi110

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