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CnVCL 组件包
» TCnModem开发MODEM拨打电话
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Subject: TCnModem开发MODEM拨打电话
lhpgh
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UID 598
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Registered 2004-12-7
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#1
Post at 2004-12-7 17:02
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TCnModem开发MODEM拨打电话
用TCnModem开发MODEM拨打电话,出现问题:只能听到对方的声音,而对方听不到我的声音,为什么?
zjy
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#2
Post at 2004-12-10 14:09
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用Modem拨打电话的功能是由Modem本身所支持的,TCnModem只是使用标准的AT命令控制Modem进行拨号连接等操作。你可以测试一下用操作系统自带的电话拨号程序是否可以正常工作,有可能是线路连接问题。
Zhou JingYu
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http://www.cnpack.org/
lhpgh
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#3
Post at 2004-12-13 19:34
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现在正常了
用WINDOWS自带的超级终端可以正常拨打电话。
现在用AT指令可以正常通话了,只是对方听到声音很少,有什么好办法吗?
zjy
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UID 2
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Registered 2002-12-16
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#4
Post at 2004-12-13 21:38
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对方听到声音小,可能需要在音量控制里把音量调大一些吧。
Zhou JingYu
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http://www.cnpack.org/
lhpgh
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UID 598
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Registered 2004-12-7
Location 湖南长沙
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#5
Post at 2004-12-15 08:03
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都调到最大了
都调到最大了,可能是通过MODEM打电话,能量有所减少吧??
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