Terminal Application Platform for IMS Services Osamu Nakazawa Haruo Fukuda Kenji Matsuyama As the popularity of third generation mobile phones Evolution of mobile phone (hereinafter referred to as “3G”) expands on a global services <<Integration of voice, video and scale, a new approach draws attention to the next data through IP>> FMC (convergence generation mobile telephone services, which combine Push-to-Talk, Presence, VoIP of mobile and fixed <<Current mobile phone services>> and Instant Messaging Video line phones, as well the worlds of “mobile phones and the internet”, known as chats, teleconferencing and as net appliances) 1) multi-user games IP Multimedia Subsystem (IMS). Mobile phones that Ring tone melodies and Full-scale IMS, combined with use the 3G network tend to shift from a world in which all tunes, mobile wallet, IP voice and video land-based digital Mobile emails, video phone and one integration broadcasting, home appliances services are primarily provided for voice transmissions chats, Java and segment broadcasting (triple feature serservices)vices) and ubiquitous offices Kiosk and ATM linkups over switched lines to a world in which non-call services personal games Evolution to 3G band, playback of music and are primarily provided using Internet Protocol (IP) packet Popularization of video, as well as full switching for sending and receiving emails, web i-mode and mobile browser serservicesvices browsing, listening to music and viewing videos. internet Establishment of OAT: November 1, 2005 IMS is a general term used for technologies that Up to 2002 2003 to 2004 2005 to 2006 2007 to 2010 realize real-time and multimedia communication services based on IP, which can be referred to as a key application Fig. 1 Changing services of mobile phones platform for building ubiquitous services. With the future taken into consideration studies are being carried out for mobile phones at the present time, with music and video the building of IMS services from two aspects, through distribution services using high-speed 3G network and phases using the currently available 3G network and also full browser services that allow mobile phones access to through planning for full-scale IMS services based on all web sites, as well as the “convergence of mobile next generation integrated fixed and mobile IP networks, phones and financial services” for electronic money and such as the Next Generation Network (NGN). mobile account settlements. The leading role of Furthermore, Open Mobile Alliance (OMA), which is an ubiquitous terminals is shifting from personal computers industry organization for mobile communication to mobile phones. technologies, has a central role in standardizing IMS The next major change in mobile phone services will specifications by promoting the formulation of be the achievement of IMS, which will make available specifications for “mobile phones and the internet” integrated (“triple feature”) services with voice, video and through integration of the specifications of the Third data through IP. The first phase for such services begins Generation Partnership Project (3GPP) and the Internet with a presence service to make real-time verifications Engineering Task Force (IETF). IMS services complying and status exchanges with communication partners, with the OMA standard are becoming available in Push to talk over Cellular (PoC) services, enabling a domestic and overseas markets. single party to communicate with multiple parties using This paper illustrates the image of the IMS world we IP voice communications in a manner similar to a are striving to achieve and describes a terminal transceiver, as well as Instant Messaging (IM) services to application platform for the realization of IMS services, easily and quickly exchange various content and 2) offered by OKI ACCESS Technologies (hereinafter information. Integrated real-time communication services referred to as “OAT”), a joint venture of OKI and that provide such services on mobile phones, handling *1) ACCESS . voice, image and data, are almost complete. The second phase is Fixed Mobile Convergence Changing services of mobile phones and (FMC) “combining fixed and mobile” services. role of OAT Seamless linkups between mobile phones and fixed line phones, as well as mobile phones and personal The development of mobile phone services has been computers, information appliances and broadcasting progressing at a remarkable rate in recent years. Since services, such as one segment broadcasting and even mobile internet services first appeared and their various terminals, including devices installed throughout popularization started in the year 2000, they have been towns and within corporations, such as printers to print evolving rapidly. Advanced information and out the content on mobile phones or to operate vending communication technologies are being amassed to machines, can lead to the establishment of a ubiquitous *1) ACCESS and NetFront are trademarks or registered trademarks of ACCESS Co., Ltd., in Japan and other countries. Other names of companies and products are trademarks or registered trademarks of the respective companies. 32 Oki Technical Review April 2007/Issue 210 Vol.74 No.2 Special Issue on Ubiquitous Services / Reports on Exhibits at Telecom 2006 society with full-scale IMS services. " Environment for converging with personal OAT was established in November 2005 to engage in computer internet world the business of developing and providing IMS application Services seamlessly converging personal computer platforms for ubiquitous terminals, such as mobile internet users and mobile phone users will be provided, phones and information appliances, which will play a role through interactive communications between IM which is in making the ubiquitous society a reality based on IMS increasing in popularity and continues to progress in the services. Almost a year and a half has passed since the personal computer environment and IM on mobile company was founded and as initially planned the first phones, as well as services for exchanging presence step towards the realization of IMS services has been information. Furthermore, since building an environment successfully taken through the supply of IMS application in which web services, such as searches and blogs platforms, which are used to attain the services provided over the internet and intended for personal described for the first phase, to domestic computer environments, are available to mobile phones, telecommunications carriers and mobile phone it is possible not only to merge the communication manufacturers. environments of personal computers and mobile phones but also combine them on the service level of information technology (IT). IMS world being attained by OAT, OKI and ACCESS # Converging environments with information appliance world The formulation of specifications for IMS services, A real-time communication environment is provided which will become industry standards, is being carried based on IMS for communications between information forward by 3GPP and OMA, previously described. appliances, as well as between information appliances However, since the range of standard specifications is and mobile phones. Furthermore, by using Digital Living limited to the IMS communication protocol, IMS network Network Alliance (DLNA) useful services could be and IMS service specifications, primarily for the mobile provided, such as viewing multimedia content, environment, the establishment of various expanded controlling, uploading and downloading between mobile services, such as linkups with the internet, which had phones and information appliances. This makes it been developed previously with a foundation based on possible to build a world where seamless convergence personal computers, as well as combinations with between mobile phones and information appliances can information appliances, are considered to be necessary take place, with links to IMS and DLNA. in order to establish and promote the progress of IMS services for the general public. Therefore, we expanded the range of IMS, as shown in Fig. 2, defining the “IMS Configuration of IMS terminal application world in a broad sense”. platform The three service models that comprise the “IMS In order to bring about a full-scale IMS service world in a broad sense” are described below. environment, as with the “IMS world in the broad sense” IMS server illustrated in the previous chapter, application platforms DLNA server Web services IMS AP server are vital for converging advanced information and Video AP communications with communication broadcasting Combining with 3 control linkup Web 2.0 Combining information with PC internet technologies. appliance world world IMS/FMC DLNA Internet The configuration of a terminal application platform to DLNA IMS linkup 2 <<Data, PC enable the IMS world we are aiming to achieve is shown Java AP IMS/FMC voice Appliance linkup linkup and video in Fig. 3. It is comprised of two components, the IMS communication Messaging NetFront integration>> “NetFront*1) IMS Client Package” and “NetFront Media <<FMC>> IMS Information Browser communication IMS Player”. It is configured on Software Suite for mobile appliances (triple feature NetFront Suite services) NetFront phones and information applications from ACCESS, Rich media 1 called “NetFront Suite”. Mobile phone world Mobile phones Mobile phones <<Service engine>> Fig. 2 IMS world we aim to achieve <<Framework>> Various IMS applications comprise IMS world in broad sense