gsm手机及modem的程序库。这是1.10版本。对手机和各种modem支持广泛，并修正了旧版本的一些bug.可支持windows/linux等多种操作系统。-GSM modem and the library. This is version 1.10. The various phone and modem support extensive, and amendments to the old version of the bug. support windows / Linux and

可视电话软件的实现，有点老了，参看一下应该可以吧。-The realization of video phone software, a bit old, you should be able to see it.

A circular double-layer menu can be rotated according to the left and right movements of the gesture, and can click any option. The dynamic effect is similar to the old-fashioned old-fashioned turntable phone. Clicking on any menu will print the curr