华为EM310无线模块快速开发指南，包括GPRS拨号上网，短信开发流程等等。-Huawei EM310 radio modules for rapid development guidelines, including GPRS dial-up Internet access, text messaging development process and so on.

sms-vb源码，本短信二次开发接口适用于WAVECOM、西门子、诺基亚、摩托罗拉等支持标准AT指令的GSM短信终端-sms-vb

德国的 Fraunhofer FOKUS 开发的OpenIMScore的客户端程序，可以实现模拟IMS用户的会话、短信功能，与OpenIMScore配合使用。-Germany s Fraunhofer FOKUS development of OpenIMScore client program, can realize the simulation of IMS user sessions, messaging, and with the use of OpenIMScore.

SIM800C-用户手册,短信收发，打电话，接电话(SIM800C- user manual, SMS send and receive, call, answer the phone.)