金笛短信猫返回 +CMS ERROR 512 是什么意思?
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shine shen
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월요일, 년2020 12월 14요일 10:33:49 am
+CMS ERROR:512 ,MM establishment failure ,The GSM TS 04.08 specifies that if an incoming SMS arrives when trying to send an SMS; the outgoing SMS could be rejected. |