Reasonable steps,measures and strategies should be chosen for the evolution from fixed Softswitch to the IP Multimedia Subsystem (IMS). A smooth evolution to the IMS is possible by gradually introducing and expanding ...
The Next Generation Network (NGN) has been a term frequently quoted in the hot topics of Telecommunication industry. The Softswitch and the IP Multimedia Subsystem (IMS) are proposed to implement the NGN services. It ...
The factors, such as the network optimization or the network amelioration by fixed telecommunication network operators, the convergence of the Personal Handy-phone System (PHS) network and the Public Switched Telephon...
The paper introduces the definition of Next Generation Network (NGN) given by ITU-T SG13 on its February meeting in 2004 and the latest development of NGN standardization. It further discusses the NGN architecture and...
ZTE Softswitch supports the interoperability and convergence oflegacy PSTN/ISDN, PLMN, IN, and the Internet, allowing operatorsor service providers to offer diversified services to any subscriber atany time on a ZTE ...
Softswitch technology integrates the su-periorities of both an intelligence net-work and the Internet, which embodiesits maturity and advancement. With ahierarchical network model, it effectivelysolves problems of ev...