基于嵌入式Linux 的来电判决模块的设计与实现-Design and lmplementation of Calling Determination Module Ba ed on Embedded linux摘要设计了一种应用于嵌入式Linux 的电话复用模块，实现了在普通电话线上数据传输功能和语音通话功能的“无干扰”复用。并且从硬件和软件两方面介绍了该模块的原理和构造。关键词 嵌入式Linux 电话 复用 无干扰 PSTN 移频键控Abstract A new type of telephone-multiplexing module running on embedded Linux system is designed. The module implemented non-disturbance multiplexing on regular telephone line for both data transmission function and usual phone call function. The principle and structure of this module are introduced from both hardware and software.Keywords Embedded Linux Telephone-multiplexing Non disturbance PSTN Frequency shift keying
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