1.
The Research of Key Technology of SIP Internet Phone on P2P;
基于P2P的SIP网络电话关键技术的研究
2.
Design and Implementation of SIP Internet Phone Based on SCTP and DCCP;
基于SCTP和DCCP的SIP网络电话的设计与实现
3.
Research and Design of a New Type of P2P-SIP Internet Telephony Based on DHT;
一种新的基于分布式哈希表DHT的P2P-SIP网络电话研究与设计
4.
Design and Implementation of SIP Functions in Embed IP-Phone;
嵌入式网络电话中SIP通信功能的设计与实现
5.
Research and Implemention of VoIP Client Based on SIP Signaling Protocol;
基于SIP协议的VoIP网络电话的研究与实现
6.
Research and Design of SIP-Based P2P IP Telephony System;
基于SIP的P2P IP网络电话系统的研究与设计
7.
Research and Implementation of IP Phone Terminal Based on SIP Protocol
基于SIP协议的VoIP网络电话终端的研究与实现
8.
Research and Implementation of VoIP Gateway Based on SIP and Its Security;
基于SIP的VoIP电话网关及其安全性的研究与实现
9.
VOIP Based of DSP5402;
基于DSP5402的IP网络电话
10.
Research of VoIP Network and Implementation of Gateway Based on SIP;
基于SIP协议的VoIP网络研究及网关实现
11.
PLMN (pulbic land mobile network)
公众移动电话网络,[港]公地流动网络
12.
Telephony - The science of transmitting voice over a telecommunications network.
网络电话-通过有线系统传送的电话。
13.
In America the telephone system is run by private corporations.
美国的电话网络由私人电话公司经营。
14.
Design of the IP Phone from PC to PC;
PC-PC的IP电话（网络电话）设计
15.
Key Technology Study on IP Mobile Network Based on SIP/NMA;
基于SIP/NMA的IP移动网络关键技术研究
16.
Research of IMS Network and SIP s Security;
IMS网络及其中SIP协议的安全研究
17.
The Application and Research of Protocol SIP in NGN;
SIP协议在NGN网络中的应用与研究
18.
Network Conference Research and Implementation Based on SIP and SIMPLE Protocol;
基于SIP/SIMPLE的网络会议的研究和实现