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you can reach pratical implemetaion of celp and some protocols and standard of ACELP
ISDN用户网络接口规范 第三层基本呼叫控制协议Q.931国家标准（中文）。可以做为ISDN、VOIP H.225的参考资料。
·摘要： 针对井下信息传输的特点提出了一种井下ISDN网络模型,并介 绍了该网络信息传输的过程及包交换协议,给出了实现信息传输和交换、基于DSP的网络节点硬件设计和软件编程方案.
Java RS232 terminal with graphical interface . Suitable for small RS projects and test protocols for hardware developing...
an ebook describing cryptographic protocols in a suitable way for developers to implement them easily in certain ways.
An e-book on wireless ad-hoc and sensor networks introduction to protocols and platforms
JRed is a 100％ Java implementation of the IrDA infrared communications protocols. JRed lets you beam objects from a Palm...