用VC编写的电话自动应答系统，其中的串口通信部分很有参考价值。-VC prepared by the automatic telephone response systems, the serial communication of great reference value.

用VC编写的电话自动应答系统，其中的串口通信部分很有参考价值。-VC prepared by the automatic telephone response systems, the serial communication of great reference value.