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View Full Version : Question Sepura tetra SGR 3900 AT command



pesch
2016-08-20, 08:59 PM
Hii I am newbie and still learn to using AT command in sepura tetra..
I have trouble about get SDS in this device..
I tried to using AT+CMGL and AT+CMGR to get SDS data the return code +CME=3 or "operations is not allowed", what can I do to get sds message in this device?

Many regards,
Zokypesch