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