Ответ SIMCOM
'CMS ERROR 515' is received in the following cases: 1. Sending a SMS when the SIM initialization is going on (after rebooting the module). 2. Reading a SMS immediately after booting the module when SIM initialization is not yet over. 3. Writing a SMS to the memory before SIM initialization is complete. 4. Sending more than one SMS at a time or sending a SMS when the response (OK or ERROR) for a previously sent SMS has not been received.
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Не можна втрачати надію. Не можна здаватися до останньої миті. Можливо саме вона, остання мить, принесе весну, яка стане початком нового життя.
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