The cloud computing is surging and its applications have penetrated in all sectors, including the telecommunications industry. As unified core control of the future convergence of fixed and mobile networks, the importance of IMS network is becoming more prominent. The study on IMS cloud has been just started. The driving force of IMS cloud was introduced firstly, then described the IMS cloud from the aspects of concept, position in the layered cloud reference model and deployment model were described, the overall IMS cloud architecture and strategies were proposed, finally the changes it bring to the operators were briefly analyzed.

This paper discussed the key points of integrated video communication based on the IMS.Focusing on the main problems of core network structure,multi-type terminals video communication,flow accounting and roaming connected,provided several valuable suggestions and projects by study and practice.Our researches collected latest development and supplied new ideas for multimedia communication's future.

本文从运维的角度分析了承载在IP网络上的软交换网络与传统电话网络的区别,对软交换网络和IP承载网故障的关联性问题进行了分析,并根据实施难度提出了分阶段的应对措施。

在众多固定与移动网络的融合产品中,综合VPN业务是抓住老客户、吸引新用户的重要手段之一。本文在面向Centrex及WAC用户的iVPN业务平台基础上,提出了针对PABX用户如何提供iVPN业务的3种解决方案,对目前正处于CDMA网业务承接阶段的中国电信在各本地网内大力推广iVPN业务提供了有益的借鉴。

Network management is important issue that telecommunication carrier always pays attention. As a new technology, the management of softswitch network has some new characteristics. This paper points out new function requirement of softswitch network management system and gives some suggestion for how to implement system.