Basically , the sdh network is growing as pots network grows , able to track and cover subscription areas 既然sdh网随着基本语音业务网络的发展而发展，可以完成对用户区域的跟踪和覆盖。
How to realize transmit voice , data and image becomes an important and in dire need of solving issue 如何实现现有语音业务在ip网络上的传送，成为企业进行网络建设或改造时的一个重要问题。
At present , the development of tradiaonal speech service almost standstill , how to expand the speech service depend on increment telecom service 目前，传统的语音业务的发展已基本处于停滞状态，业务拓展主要依靠增值业务。
Ip marketplace is currently focused on using internet to pirate consumer voice traffic from traditional carriers by offering significantly lower prices Ip市场目前正利用因特网，以很低的得价格从传统的运营商那里挖走客户语音业务。
The rest of this paper is organized as follows . in section 1 , the relevant knowledge about voip , mobile ipv6 and qos are presented 论文第一章讨论了无线移动网络实时语音业务qos研究的相关背景知识，对基于ipv6的voip 、移动ipv6及qos模型进行了阐述。
With the fast development of wireless technologies and internet , the main business of mobile communication is changing from voice business to data business 随着无线通信技术和互联网技术的飞速发展，移动通信业务从以前的语音业务逐渐向数据业务过渡。
Mainly provides real time voice service over ip . it includes ip telephony , ip voice intelligence , mobile sms , ip fax and mobile communication service 主要提供基于ip的实时语音业务，包括ip电话、 ip语音智能业务、移动短消息、 ip传真和移动通信业务等。
The multi - service sdh transport platform in supportive of the voice service has already covered user areas , and is now undertaking the task of transporting voice traffic 为支持语音业务，多业务sdh传送平台已完成对用户区域的覆盖，并已承担语音业务网络的传送任务。
Voip , which stands for voice over internet protocol , is the ip voice and speech technology . its basic idea is to realize voice and speech business though transmitting ip packet Voip ,是voiceoverip的简称,也就是ip语音技术,其基本思想是通过ip包的传送来实现语音业务。
With the rapid development of wireless communication technology and internet technology , the primary service of mobile telecom is changing from voice service to data service 随着无线通信技术和互联网技术的飞速发展,移动通信业务从以前的语音业务为主逐渐向数据业务扩展。
