The emphasis of this article is the realization of ua based on the open sip stacks 同时介绍了实现ua端的硬件环境。本文的重点内容为ip电话客户端的设计和实现。
Note : some cell phones , ip phones and calls from outside japan may not be able to reach this number 注：上述号码不适用于国际电话phs部份行动电话以及ip电话。
This method mentioned in the article is suitable for the ip phone system following the protocol h . 323 本课题提出的这种新方法适用于符合h . 323协议的ip电话系统。
Finally , the paper sets forth pc - pc ip phone system analysis , system design and system implementation 并且阐述了pctopc结构ip电话的系统分析、系统设计、系统实现。
The rapid development of voip technology provides the reliable technology guarantee for the ip phone applications Voip技术的高速发展为ip电话提供了可靠的技术保障。
However , because ip network provides data transmitting service only in a " best - effort " manner . , 但是， ip网络只支持尽力而为的承载业务，难以保证ip电话的服务质量。
Speech compression technologies are of great importance in increasing the capacities of ip telephone systems 语音压缩编码技术对提高ip电话系统的系统容量有重要的意义。
This paper has only finished some elementary work , so there is more work to do in the future 本文对基于sip的ip电话仅作出了初步的探讨，在今后的工作中还有待进一步完善。
Microsoft communicator 2005 functions as both a remote call controller and an ip phone voip phone 将远程呼叫控制rcc和ip电话voip电话相结合的microsoft communicator 2005功能。
But with ip telephony , some form of wireless communication or wider deployment of mobile phones may be necessary 但使用ip电话时，有些无线通讯方式或更广范围内的移动电话的使用都很必要。
