AT Commands Send SMS - CMS ERROR 500

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Hi guys i am sending SMS in GSM Modem using AT commands via Microsoft Hyper-terminal.

I got the Error CMS ERROR 500(UNKNOWN ERROR) i don't the reason.

AT Commands i am using to send SMS

AT+CMGF=1 //Text Mode
AT+CSMS=0
AT+CMGS="mobile"\rMessage ctrl+Z

if you know explain me

Posted 29-Mar-11 20:24pm

ganesh_IT

Updated 16-Sep-19 21:42pm

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2 solutions

Solution 2

add country code to your Message sending phone number like +96

Posted 16-Sep-19 21:43pm

Member 12963266

Updated 16-Sep-19 21:44pm

v2

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OriginalGriff · Accepted Answer · 2011-03-29T22:44:00

Solution 1

There is a complete tutorial here : http://www.control.com.sg/at_commands_sms.aspx[^] which should guide you through the process.

Posted 29-Mar-11 22:44pm

OriginalGriff