请教：PDU模式发送短信出错CMS ERROR 515,PS BUSY(sim300c模块）
RT,以PDU模式发送短信总是返回515的错误：PS BUSY，（以text模式发送短信是正常的）
烦请各位高人指点一下， The 'CMS ERROR 515' is received in the following cases:
Sending a SMS when the SIM initialization is going on (after rebooting the module).
Reading a SMS immediately after booting the module when SIM initialization is not yet over.
Writing a SMS to the memory before SIM initialization is complete.
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.
没有其他原因了吗？各位高人不吝赐教！
搜了一下，坛子里也有朋友遇见过此问题，没有结果吗？ 本帖最后由 shibeizhe 于 2012-8-4 20:35 编辑
{:2_26:} idterminator 发表于 2010-8-9 06:59 static/image/common/back.gif
The 'CMS ERROR 515' is received in the following cases:
Sending a SMS when the SIM initialization...
您好！
我在网上看到了您的帖子，我也遇到了您的问题，SIM300能在TEXT模式下发送英文字符，却不能发送中文字符，也不能在PDU模式下发送中英文，总提醒"PS busy",只有现在TEXT模式下发送英文成功后，修改配置后才能在TEXT模式下发送中文与PDU模式下的中英文，不知道为什么。您的问题解决了没有，还望指教！谢谢~
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