What do "+CME ERROR:512" or "+CME ERROR:514&q

Legacy Open AT
1

Hi,
When the short message is send with the command “AT+CMGS”,the response “+CME ERROR:512” or “+CME ERROR:514” are received.What do they mean?

2

Codes are described in the document Appendixes to AT Commands Interface Guide - see the chapter Codes and values

3

I have seen it. But I dont’n know what the “CP” and “MM” stand for.

4

See the FAQ:

wavecom.com/modules/movie/sc … or%20Codes